Thursday, July 17

Walking club, for fitness and better health, co-sponsored by Sibley Memorial Hospital. 8:30-9:30 a.m. Thursdays and Tuesdays, Mazza Gallerie, 5300 Wisconsin Ave. NW. Free, with free parking. 202-364-7602.

Washington Cathedral behind the scenes, age 11 and older; see gargoyles and stained-glass windows and climb stairs for a panoramic view of the city. Bring a camera. 10:30 a.m. weekdays, Washington National Cathedral, Wisconsin and Massachusetts avenues NW. $25; ages 11-12, $21. 202-537-6200 or www.nationalcathedral.org .

Portraits Alive!, D.C., Virginia and Maryland teens lead a theatrical tour that brings the Portrait Gallery’s collection to life through an original student-written play that takes visitors on a journey to a variety of portraits as the students perform biographical portrayals of the people represented in various photographs, paintings, drawings, sculptures or prints. Noon and 2 p.m. Thursday-Friday, National Portrait Gallery, F Street Lobby, Eighth and F streets NW. Free. 202-633-1000.

Framework of conservation, Martin Kotler, the American Art Museum’s frame conservator, leads a gallery tour showcasing the variety of frames in the collection and discusses the historical background of these works and his efforts to preserve them for generations to come. Noon, Smithsonian American Art Museum, G Street Lobby, Eighth and F streets NW. Free. 202-633-1000.

The future of urban ecology, landscape architect Ian McHarg advanced the integration of ecology into land planning and design, and Ignacio Bunster-Ossa discusses the precepts of a new urban ecology involving the integration of green infrastructure and public art as a way to make compact development an appealing and sensible choice. 12:30 p.m., National Building Museum, 401 F St. NW. Free; registration required. 202-272-2448. www.nbm.org .

U.S. Air Force Band concert, the Brass Quintet ensemble performs. 12:30, 1:30 and 2:30 p.m., National Museum of American History, Warner Brothers Theater, 14th Street and Constitution Avenue NW. Free. 202-633-1000 or 202-767-5658.

Heirloom garden tours, a horticulturist leads a tour and discusses some of the plants in the museum’s Heirloom garden that were passed down from generation to generation and cultivated in American gardens before 1950. 1 p.m. Thursday, July 31, Aug. 14 and 28, National Museum of American History, Mall terrace, southwest corner, 14th Street and Constitution Avenue NW. Free. 202-633-1000.

Beginner computer class, learn how to create an e-mail account, search the Internet and use online library services. 1-3 p.m. Thursdays, Watha T. Daniel/Shaw Library, 1630 Seventh St. NW. Free. 202-727-1288.

Blue Sky Puppet Theatre, follow Rufus through his adventures in science class with Dr. Science, an interactive puppet show using science, technology, engineering and math (STEM). 1:30 p.m., Takoma Park Library, 416 Cedar St. NW. 202-576-7252; and 10 a.m. Tuesday, Martin Luther King Jr. Memorial Library, 901 G St. NW. Free. 202-727-0321.

Diabetes support group, for all ages, no medical referral required. 1:30-3 p.m., Sibley Medical Building, 2nd floor, Conference Room 5, 5215 Loughboro Rd., NW. Free. 202-364-7602.

Reptiles Alive!, learn about snake secrets, laugh at lizard stories and turtle tales, meet a live boa constrictor, tortoise, lizard or other animal. 1:30, Northwest One Library, 155 L St. NW. Free. 202-939-5946.

Memorials on the Mall, a National Park Service ranger leads a walking tour of a selection of memorials. 2-4 p.m. daily through July 31, Lincoln Memorial, 23rd Street NW and West Potomac Park. Free. 202-426-6841.

Germ transmission and HIV workshop, for ages 13-19; the Sexual Minority Youth Assistance League offers a series of workshops that focus on how germs are transmitted and how they affect the body, with emphasis on HIV and AIDS. Part of the D.C. Public Library Teen Summer Program Spark A Reaction. Earn badges and prizes. 2 p.m., Southeast Library, 403 Seventh St. SE. Free. 202-698-3377.

Incredible insects, for ages 5-11; entomologist Kay Taub leads an interactive workshop, an introduction to arthropods (insects and their relatives), focusing on diversity of species and the importance of insects in the ecosystem. 2:30 p.m., Capitol View Library, 5001 Central Ave. SE. Free. 202-645-0755.

Origami nights, for ages 7-12; learn how to create paper cranes, frogs, foxes, ties and other designs using the Japanese art form, beginners welcome. 4:30 p.m. Thursdays and Tuesdays, Francis A. Gregory Library, 3660 Alabama Ave. SE. Free. 202-645-4297.

HIV/STI testing, for ages 13-24; hosted by Metro TeenAIDS. 4:30-7:30 p.m., Dorothy I. Height/Benning Library, Meeting Room 2, 3935 Benning Rd. NE. Free. 202-281-2583.

The Four Cool Blue Maniacs perform jazz by Charles Mingus; paint a canvas to take home as you listen. 5-8 p.m., Smithsonian American Art Museum, Kogod Courtyard, Eighth and F streets NW. Free; registration required: www.artjamzdc.com . 202-633-1000.

Wii dance off, for ages 13-19; a weekly competition. 5:30 p.m. Thursdays, William O. Lockridge/Bellevue Library, 115 Atlantic St. SW. Free. 202-243-1184.

“Out of the Basement,” a screening of Natalie Avery and Kyle Centers’ documentary short about D.C.’s boxing subculture, a question-and-answer session follows. 6 p.m., Anacostia Library, 1800 Good Hope Rd. SE. Free. 202-715-7707 or 202-715-7708.

Classical music concert, participants from the National Symphony Orchestra’s Summer Music Institute perform in small chamber ensembles works by Schubert, Brahms, Mendelssohn, Debussy, Shostakovich and Barber. 6 p.m. Thursday-Sunday, Kennedy Center, Millennium Stage, 2700 F St. NW. Free. 202-467-4600.

Anacostia library chess club, for ages 10-16. 6 p.m. Thursdays, Anacostia Library, 1800 Good Hope Rd. SE. Free. 202-715-7707 or 202-715-7708.

“The Mystery of the Centreville Six: Forensics and the Civil War,” local relic hunter, Civil War historian, writer and Washington Post photographer Kevin Ambrose tells a tale that spans 145 years, about the Centreville Six — six Union soldiers who died at the Battle of Blackburn’s Ford in Northern Virginia on July 18, 1861, and were hastily buried in shallow graves in the town as the Union Army retreated. 6:45-8:45 p.m., National Museum of American History, Warner Brothers Theater, 14th Street and Constitution Avenue NW. $42. 202-633-1000. www.smithsonianassociates.org .

Stephen Wade: “The Beautiful Music All Around Us: Field Recordings and the American Experience ,” the renowned banjo player and storyteller performs live, exploring iconic American folk songs and their back stories drawn from his book. 7 p.m., Martin Luther King Jr. Memorial Library, 901 G St. NW. Free. 202-727-0321.

Author talk, Ralph Eshelman discusses his book “Chesapeake Legends and Lore from the War of 1812 .” 7 p.m., Cleveland Park Library, 3310 Connecticut Ave. NW. Free. 202-282-3080.

Meditation and Mindfulness, a facilitator teaches and leads techniques that help people whose stress response is triggered by a recent cancer diagnosis; cancer patients, their family members and caregivers welcome. 7-8 p.m. Thursdays, Sibley Medical Building, Conference Room 4, Floor 2, 5215 Loughboro Rd., NW. Free. 202-364-7602.

U.S. Marine Band concert, a performance of works by Gustav Holst, Henry Fillmore and Dmitri Shostakovich. 8 p.m., U.S. Capitol (west terrace). Free. 202-433-4011.

“Shear Madness,” a comedy-mystery set in Georgetown, with audience participation to help solve a mock murder. 8 p.m. Thursday-Friday, 6 and 9 p.m. Saturday, 3 and 7 p.m. Sunday, 8 p.m. Tuesday-Wednesday, Kennedy Center, Family Theater, 2700 F St. NW. $50. 202-467-4600.

“One Night With Janis Joplin,” a performance about the life of the rock legend, packed with classic songs like “Piece of My Heart ,” “Summertime,” and “Mercedes Benz,” featuring Mary Bridget Davies and Joplin’s band Big Brother and the Holding Company; also featuring Sabrina Elayne Carten as a blues singer who pays homage to the performers who influenced Joplin’s blues-rock style. 8 p.m. Thursdays and Fridays, 2 and 8 p.m. Saturdays, 2 and 7:30 p.m. Sundays, 7:30 p.m. Tuesdays-Wednesdays, continues through Aug. 11, Arena Stage, 1101 Sixth St. SW. $40-$99, subject to change and based on availability. 202-488-3300 or www.arenastage.
org
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Friday, July 18

Seniors line dancing, age 50 and older. 10 a.m. Fridays, Woodridge Interim Library, 1790 Douglas St. NE. Free. 202-541-6226.

Living Earth festival, live music and dance performances, a cooking competition, film screenings, crafts, storytelling, farmers market featuring local produce and game, cheese-making and beading demonstration. 10 a.m.-5 p.m. Friday-Sunday, National Museum of the American Indian, Fourth Street and Independence Avenue SW. Free. 202-633-1000.

U.S. Air Force Band concert, jazz favorites by the Airmen of Note. 11 a.m., noon, 1 and 2 p.m., National Air and Space Museum, Sixth Street and Independence Avenue SW. Free. 202-633-1000 and 202-767-5658.

H.O.P.E. Theater: “Helping Our People Engage,” in the spirit of revitalizing the historic cinema theaters of Anacostia, such as the Carver, Anacostia, Naylor and Congress theaters, the Anacostia Neighborhood Library presents H.O.P.E. Theater, “Helping Our People Engage,” weekly movie matinees on Friday mornings, a discussion group follows. 11:30 a.m. Fridays, Anacostia Library, 1800 Good Hope Rd. SE. Free. 202-715-7707 or 202-715-7708.

Jazz: A Film by Ken Burns ,” Episode Eight: Risk, the postwar changing of the nation’s musical tastes with young people turning to sentimental singers and rhythm and blues and a devastating narcotics plague sweeping through the jazz community. Noon, National Archives, McGowan Theater, Constitution Avenue and Ninth Street NW. Free. 202-357-5000.

“Ida,” Pawel Pawlikowski’s film drama about an 18-year-old sheltered orphan raised in a convent and now preparing to become a nun until the Mother Superior insists she first visit her sole living relative, a worldly and cynical aunt who is a Communist Party insider who admits to her Jewish heritage and her parents’ murder at the hands of the Nazis, in Polish with English subtitles. 1 and 5:45 p.m., Avalon Theatre, 5612 Connecticut Ave. NW. $11.50; students, $9; seniors, $8.75; military and age 12 and younger, $8.50. 202-966-6000. www.theavalon.org.

Secrets of the Washington Monument grounds, a National Park Service ranger leads a walking tour of the soaring tribute to George Washington. 2-4 p.m., Refreshment Stand-Paddle Boat parking lot, Independence Ave. SE. Free. Michael T. Kelly, 202-359-2662.

“Life Itself,” Steve James’s documentary film that recounts the inspiring and entertaining life of world-renowned film critic and social commentator Roger Ebert, a story that is personal, funny, painful and transcendent. 3 and 8 p.m., Avalon Theatre, 5612 Connecticut Ave. NW. $11.50; students, $9; seniors, $8.75; military and age 12 and younger, $8.50. 202-966-6000. www.theavalon.org.

Science Friday: Let’s watch Bill Nye!, for ages 8-12’ watch two episodes of “Bill Nye the Science Guy” TV show that makes science fun for kids. 3 p.m. Fridays, Dorothy I. Height/Benning Library, 3935 Benning Rd. NE. Free. 202-281-2583.

Join the “STEAM” team, for ages 6-12 with an interest in science, technology, engineering, art and/or mathematics and a desire to design, construct, discover and create. 4 p.m. Fridays, Martin Luther King Jr. Memorial Library, 901 G St. NW. Free. 202-727-0321.

Jazz in a sculpture garden, jazz trumpeter Tom Williams performs. 5-8:30 p.m., National Gallery of Art, Sculpture Garden, Seventh Street and Constitution Avenue NW. Free. 202-737-4215.

Luce unplugged community showcase, listen to live music by local bands as you explore the thousands of artworks in the museum’s Luce Center, drinks and small snacks available for purchase. 6-8 p.m., Smithsonian American Art Museum, Luce Foundation Center, 3rd Floor, Eighth and F streets NW. Free. 202-633-1000.

Framewerk, a performance of rhythm and blues. 6:30-8:30 p.m., Yards Park, 355 Water St. SE. Free. 202-289-0111 or www.yardspark.org .

Working from the figure, drop-in figure drawing, work on drawings or paintings in front of a live model in a session without an instructor. Bring drawing materials; easels available. 6:30-9:30 p.m., first and third Friday of each month. Capitol Hill Arts Workshop, 545 Seventh St. SE. $20; $76 for a four-class pass. 202-547-6839 or www.chaw.org .

Aberdeen ,” Pang Ho Cheung’s 2014 film portrait of a modern Hong Kong family that blends social commentary with fantastical imagery and humor, in Cantonese with Chinese and English subtitles. 7 p.m., Freer Gallery of Art, Meyer Auditorium, Jefferson Drive and 12th Street SW. Free. 202-633-1000.

Memorials by night, a National Park Service ranger leads a walk through American history at night. 8-10 p.m. Fridays-Saturdays, National World War II Memorial, 17th Street and Constitution Avenue NW. Free. Ranger Station, 202-426-6841.

U.S. Marine parade, U.S. Marine Silent Drill Team, Drum and Bugle Corps, Color Guard, Silent Drill Platoon and Ceremonial Marchers; guests with reservations are admitted at 7:15 p.m.: visitors must arrive no later than 8 p.m. Parade, 8:45 p.m., Fridays through Aug. 29, Marine Barracks, Eighth and I streets SE. Free; reservations required. 202-433-4011 or 202-433-6060 or www.barracks.marines.mil .

Saturday, jULY 19

Ward 8 farmers market, fresh fruits and vegetables, cooking demonstrations, yoga. 9 a.m.-2 p.m. Saturdays through Nov. 22, 1901 Mississippi Ave. SE. 202-889-5901 or www.thearcdc.org .

Choral workshop, Nicholas A. Brown leads the Friday Morning Music Club Chorale and singers who want to participate in a workshop and concert (at 4 p.m.) of compositions by Haydn, Brahms, Bruckner, Schubert, Rheinberger, Lauridsen and Martin. 9 a.m.-5 p.m., First Baptist Church, Fellowship Hall, 16th and O streets NW. Free. Interested singers and instrumentalists contact: 202-333-2075. peterbaum@cox.net or www.fmmc-chorale-director.weebly.
com
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Sumi-E workshop, teaching artist Jon Leniz explores Chinese ink-wash bamboo paintings, where the hand and heart move in unison, linking the inner and outer worlds and capturing aspects of both in a harmonious and balanced relationship — the theme is orchids and bamboo. 9 a.m.-1 p.m. July 19 and 26, August 2 and 9, Capitol Hill Arts Workshop, 545 Seventh St. SE. $76 per workshop or $280 for all four in the series. 202-547-6839 or www.chaw.org .

Comedy with Mark Lohr, juggling, plate spinning and improvisation with the kids in a show chock full of side-splitting laughs. 9:30 and 11 a.m., National Theatre, 1321 Pennsylvania Ave. NW. Free ticket, one per person, distributed 30 minutes before each show. 202-783-3372.

Caring for you, caring for me, building cooperative relationships, a workshop that teaches how to develop mutual respect and build trust with those caring for your loved one and discuss specific conditions, drugs and treatment options. 10 a.m., Tenley-Friendship Library, 4450 Wisconsin Ave. NW. Free. 202-727-1488.

Yoga at the library, for adult and teen beginners with an instructor from Yoga Activist. No experience required; bring a mat or use one from the library. 10 a.m., Dorothy I. Height/Benning Library, 3935 Benning Rd. NE. 202-281-2583; 11 a.m., Petworth Library, 4200 Kansas Ave. NW. Free. 202-243-1188.

Buds, a tree-focused activity for toddlers and preschoolers, aged 18 months to 4 years, stories, music, crafts and discovery time, all focused on trees and nature, co-sponsored with Casey Trees. 10-10:45 a.m., U.S. National Arboretum, 3501 New York Ave. NE. Free; registration required: serhardt@caseytrees.org . 202-349-1903.

Cemetery tours, a docent leads a tour of the cemetery that provides a final resting place for John Philip Sousa and other famous people. 11 a.m.-noon every Saturday through Nov. 1, Congressional Cemetery, 1801 E St. SE. Free. 202-543-0539. www.congressionalcemetery.org .

Meet a Nationals Major League Baseball player, one of four players will visit one of the following libraries and talk with library fans. 11 a.m., Mount Pleasant Library, 3160 16th NW. 202-671-3121; 11 a.m., Tenley-Friendship Library, 4450 Wisconsin Ave. NW. 202-727-1488; noon, Anacostia Library, 1800 Good Hope Rd. SE. 202-715-7707 or 202-715-7708.; noon, Deanwood Library, 1350 49th St. NE. 202-698-1175. Free.

Baseball family festival, tour the galleries to find some of the best names in the game, then enjoy baseball-themed crafts, a book signing of “Becoming Babe Ruth ” by author Matt Tavares and appearances by local team mascots. 11:30 a.m.-3 p.m., Smithsonian American Art Museum and National Portrait Gallery, Kogod Courtyard, Eighth and F streets NW. Free. 202-633-1000.

Energy flow, Cynthia Word leads a movement class that encourages free expression, stress-release and harmony between body and soul. 11:30 a.m.-12:45 p.m., Smith Center for Healing and the Arts, 1632 U St. NW. $15. 202-483-8600. www.smithcenter.org .

Carillon recital, carillonneur Edward M. Nassor performs. 12:30 p.m., Washington National Cathedral, Bishop’s Garden and other outdoor areas, Wisconsin and Massachusetts avenues NW. Free. 202-537-6200 or www.nationalcathedral.org .

Candyland at the library, for age 8 and older, throw the dice and travel through the life-size board game, teens may earn a “Game On” badge. 1 p.m., Chevy Chase Library, 5625 Connecticut Ave. NW. Free. 202-282-0021.

Ultimate MegaMAZE, families work together to build the Ultimate MegaMAZE in the Great Hall, construct a cardboard maze with twisting paths, towers and dead ends, then have fun exploring and finding your way through the maze. Bring boxes of all sizes and shapes or used ones will be provided. 1-3 p.m., National Building Museum, 401 F St. NW. $25 per child; $10 per adult, adults must be accompanied by a child. 202-272-2448. www.nbm.org .

Imagination and reality in Dutch landscape painting, a lecture by Alexandra Libby. 1 p.m. Saturday, 2 p.m. Sunday, National Gallery of Art, Lecture Hall, West Building, Sixth Street and Constitution Avenue NW. Free. 202-737-4215.

Citizenship information session, representatives from the U.S. Citizenship and Immigration Services discuss the naturalization process, the test and the rights and responsibilities of U.S. citizenship. 1 p.m., Petworth Library, 4200 Kansas Ave. NW. Free. 202-243-1188.

Guns of August, a National Park Service Ranger discusses how World War I started one hundred years ago and the U.S. reaction to it. 2 and 4 p.m., D.C. War Memorial, Independence Avenue between the National World War II and Lincoln memorials. Free. Paul O’Brian, 202-438-7066.

Meet a firefighter, for age 12 and younger, learn about fire trucks and equipment. 2 p.m., Mount Pleasant Library, 3160 16th NW. Free. 202-671-3121.

Guided bike ride, about three hours, led by a National Park Service ranger, with stops to discuss moments in American history; bring your own bike, water and snacks; helmets required. 2-5 p.m. Saturdays and Sundays, Thomas Jefferson Memorial, 900 Ohio Dr. SW. Free. 202-426-6841.

Black Maria: selections from the festival, includes “The Records Keeper,” “Water Color (Fall Creek),” “Autumn,” “Salmon Deadly Sins” and more. 2:30 p.m., National Gallery of Art, West Building Lecture Hall, Sixth Street and Constitution Avenue NW. Free. 202-737-4215.

Tango lessons, for adults, learn and practice the Argentine tango with Rendezvous Tango’s Bahman Aryana, all skill levels welcome. 2 p.m. Saturdays through Sept. 27, Martin Luther King Jr. Memorial Library, 901 G St. NW. Free. 202-727-0321.

Full STEAM ahead!, for ages 5-12; a fun, inquiry-based, hands-on experiment and literacy workshop to spark interest in science, technology, engineering, arts and math. 3:30 p.m. Saturdays through Aug. 30, Juanita E. Thornton-Shepherd Park Library, 7420 Georgia Ave. NW. Free. 202-541-6100.

Blues in the park, a performance by Maimouna Youssef with Nappy Riddem, Christylez Bacon and featuring DJ Jahsonic. 7 p.m., Fort Dupont Park, 3600 F St. SE. Free. 202-426-7723 or www.nps.gov/fodu.

“Report to an Academy,” a one-man show based on a classic short story by Franz Kafka, directed by Gabriele Jakobi, performed by Scena Theatre, part of the Capital Fringe Festival. 9:30 p.m. Saturday, 9:45 p.m. July 25, noon July 27, Caos on F Gallery, 923 F St. NW. $17. 866-811-4111. www.scenatheater.org .

Sunday, jULY 20

Martha’s Table ministry, which helps feed homeless men, women and families through its McKenna’s Wagon soup kitchen, collects sandwiches and fruit from volunteers. 8:30 a.m. Washington National Cathedral, Hearst Circle, adjacent to the Wisconsin Avenue parking garage, Wisconsin and Massachusetts avenues NW. Free. 202-537-6200 or www.national
cathedral.org
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Knitting and crocheting workshop, join fellow needlers to create items for those in need; instruction, needles and yarn provided. 1 p.m., Washington National Cathedral, fourth floor of the South Tower, Wisconsin and Massachusetts avenues NW. Free. Mila Michael, knitting@cathedralcongregation.org . 202-537-6200.

Digital photo club, a collaborative learning group that draws from the knowledge of all who attend; amateur photographers of all skill and experience levels welcome. 1:30 p.m., Petworth Library, 4200 Kansas Ave. NW. Free. 202-243-1188.

Artist talk, Chandi Kelley discusses examples of her work and Project Dispatch, a local artwork subscription service that she started. 1:30 p.m., Smithsonian American Art Museum, F Street Lobby, Eighth and F streets NW. Free. 202-633-1000.

Cathedral gargoyle tour, a docent shows slides of the building’s whimsical stone gargoyles and grotesques, followed by an outdoor tour; binoculars and cameras welcome. 2 p.m. Sundays through July 27, Washington National Cathedral, Wisconsin and Massachusetts avenues NW. $15; age 12 and younger, $6. 202-537-6200 or www.nationalcathedral.org .

The White Storm,” Benny Chan’s 2013 action thriller film about three cops, one of them working undercover, who try to bust a drug kingpin in Thailand until something goes horribly wrong, turning their friendship into a rivalty, part of the 19th annual Made in Hong Kong Film Festival. 2 p.m., Freer Gallery of Art, Meyer Auditorium, Jefferson Drive and 12th Street SW. Free. 202-633-1000.

Join the STEAM team, for ages 6-12 with an interest in science, technology, engineering, art and mathematics and a desire to design, construct, discover and create. 2 p.m. Sundays, Martin Luther King Jr. Memorial Library, 901 G St. NW. Free. 202-727-1278.

Choral concert, Reverb performs its a cappella melodic sounds. 2 p.m., National Building Museum, 401 F St. NW. Free. 202-272-2448. www.nbm.org .

Fizz, Boom, Read!, the library’s summer program to explore and get creative with STEAM-related crafts. 2:30-4 p.m. Sundays through Aug. 24, Palisades Library, 4901 V St. NW. Free. 202-282-3139.

Joaquin Miller poetry series, Word Works hosts poetry readings by Rachel Adams and Saundra Rose Maley, bring your own or your favorite works for an open mike session, recommended for mature audiences. 3-4:30 p.m., Rock Creek Park Nature Center, 5200 Glover Rd. NW. Free. 202-895-6070.

Board games in the afternoon, for age 10 and older; play board games with your friends or learn to play chess. 3 p.m. Sundays, Northwest One Library, 155 L St. NW. Free. 202-939-5946.

Zumba kids, for ages 4-13; dance to peppy music and follow kid-friendly moves. 3:30 p.m. Sunday and the second and fourth Sunday of every month, Capitol View Library, 5001 Central Ave. SE. Free. 202-645-0755.

Black Maria program II: selections from the festival, with an introduction by Jane Steuerwald, includes “ Montauk,” “ Something Like Whales,” “ The Apothecary,” “Every Day Is a Holiday” and more. 4 p.m., National Gallery of Art, West Building Lecture Hall, Sixth Street and Constitution Avenue NW. Free. 202-737-4215.

Case of the Murdered Archduke, a National Park Service ranger leads a walking tour and discusses how the murder of an heir to a throne started World War I and shaped the world of 2014. 7-9 p.m. Sunday-Monday, Washington Monument, Lodge, 15th Street and Constitution Avenue NW. Free. Call Lowell Fry, 202-438-9603.

Monday, July 21

Archives genealogy camp for kids, for ages 12-16; members of the Education Team demonstrate the use of ship manifests and census records to trace an immigrant family’s arrival in the United States in the early 20th century, hands-on and interactive experiences daily. 9 a.m.-noon Monday-July 25, National Archives, Boeing Learning Center, 700 Pennsylvania Ave. NW. Free. Camp application: education@nara.gov . 202-357-5000.

Staying connected workshops, an introduction to Facebook and Twitter, upcoming workshops include Dr. Online, Google Tools and online learning. 10 a.m., Petworth Library, 4200 Kansas Ave. NW. Free. 202-243-1188.

Therapeutic yoga classes for cancer patients, Corrin Bennett and Alaina Sadick lead patients, survivors and caregivers. 10:30 a.m.-11:45 a.m. Mondays, 6-7:15 p.m. Wednesdays, Smith Center for Healing and the Arts, 1632 U St. NW. $25/month. 202-483-8600 or www.smithcenter.org .

U.S. Botanic Garden lunchtime tour, museum volunteers lead a tour of plants and discuss what manila folders, Chanel No. 5, vanilla and fossil fuels have in common. Also, a discussion of possible breakthroughs in medicinal plant research. Noon, Mondays and Wednesdays through July 28, U.S. Botanic Garden, Conservatory Garden Court, 100 Maryland Ave. SW. Free. 202-225-8333 or www.usbg.gov .

Yoga at West End, Smita Kumar from Yoga District teaches a weekly class; bring a mat or use one of the library’s. 12:30 p.m. Mondays, West End Interim Library, 2522 Virginia Ave. NW. Free; registration required: teresa.sakon@dc.gov or 202-724-8698.

Mental health and HIV confidential group, for people with HIV and mental-health problems, sponsored by MetroHealth. Transportation tokens and refreshments provided. 3:30 p.m. 1012 14th St. NW. Free. 202-638-0750.

STEM Mondays, for ages 7-12 with an interest in science, technology, engineering and mathematics, participate in experiments, study nature, do real-world math problems and take the Hour of CODE challenge, an introductory lesson in computer science, where children learn basic concepts of problem solving and programming. 4:15 p.m., Francis A. Gregory Library, 3660 Alabama Ave. SE. Free. 202-645-4297.

Woodridge Checkmates, for ages 7-19; learn how to play chess and win. 4:30 p.m. Mondays, Woodridge Library, 1801 Hamlin St. NE. Free. 202-541-6226.

Wii dance moves and the physics of dance, for teens who enjoy playing “Just Dance” on the Wii, earn a “Game On” badge at this event. 5 p.m., Juanita E. Thornton-Shepherd Park Library, 7420 Georgia Ave. NW. Free. 202-541-6100.

Shaw knitting and crocheting circle, all experience levels welcome, bring needles and yarn to create projects to take home. 6 p.m. Mondays, Watha T. Daniel/Shaw Library, 1630 Seventh St. NW. Free. 202-727-1288.

Sabrina ,” Billy Wilder’s 1954 film about a girl whose chauffeur father sends her off to a cooking school in Paris and comes home a gorgeous young lady, starring Audrey Hepburn, Humphrey Bogart and William Holden. 6:30 p.m., National Theatre, 1321 Pennsylvania Ave. NW. Free ticket, one per person, distributed 30 minutes before each show. 202-783-3372.

Yoga for adults, led by a teacher from Yoga Activist, mats provided. 6:30 p.m., Francis A. Gregory Library, 3660 Alabama Ave. SE. Free; registration requested. 202-645-4297.

Knitting and crocheting, all experience levels welcome. 6:30 p.m. Mondays, Francis A. Gregory Library, 3660 Alabama Ave. SE. Free. 202-645-4297.

Zumba class, taught by certified instructor Christine, no experience necessary, all participants must sign a waiver. 7 p.m. Mondays, Southeast Library, 403 Seventh St. SE. Free. 202-698-3377.

Yoga for beginners, taught by an instructor from Yoga Activist. 7 p.m., Cleveland Park Library, 3310 Connecticut Ave. NW. Free. 202-282-3080.

Rock Creek Park preservation, historian Simone Monteleone discusses the effects of city development and the focused efforts to protect the watershed. 7 p.m., Cleveland Park Library, 3310 Connecticut Ave. NW. Free. 202-282-3080.

Yoga at Georgetown Library, taught by Yoga Activist. 7:15 p.m. Mondays, Georgetown Library, 3260 R St. NW. Free; registration required. erika.rydberg@dc.gov or 202-727-0232.

U.S. Navy Band concert, the Country Current ensemble performs country and bluegrass music favorites. 8 p.m., U.S. Capitol. Free. 202-433-2525.

Screen on the Green: “The Karate Kid,” John Avildsen’s 1984 coming-of-age film about a teenager who learns a lot about life from an elderly handyman who is also a martial arts master, starring Ralph Macchio, Pat Morita and Elisabeth Shue. 8:30 p.m., the Mall, between Seventh and 12th streets NW. Free. 877-262-5866.

Tuesday, July 22

Blue Sky Puppet Theatre, follow Rufus through his adventures in science class with Dr. Science, an interactive puppet show with science, technology, engineering and math (STEM). 10 a.m., Martin Luther King Jr. Memorial Library, 901 G St. NW. Free. 202-727-0321.

Soul in Motion Players: drum and dance, for ages 5-16, a performance of chest pounding drum, foot stomping dance and an infectious joy that captures and holds heart and spirit, from Africa and living on in America. 10:15 and 11:30 a.m. Tuesday-July 25, Discovery Theater at S. Dillon Ripley Center, 1100 Jefferson Dr. SW. $8; ages 2-16, $6; 1 and younger, $3. 202-633-8700 or www.discoverytheater.org.

Yoga at noon, led by traditional yoga teacher and therapist Heather Ferris, bring a mat. Noon Tuesdays, Watha T. Daniel/Shaw Library, 1630 Seventh St. NW. Free. 202-727-1288.

Classical music concert, baritone James Rogers and pianist Andrew Earle Simpson perform works by Faure, Rachmaninov and Richard Strauss. 12:10 p.m., Church of the Epiphany, 1317 G St. NW. Suggested donation, $10. 202-347-2635, Ext. 20.

Conversation with a cancer coach, Carole O’Toole talks with cancer patients, their families and caregivers about how to take the best possible care of yourself when you’ve been diagnosed with cancer. 12:30 p.m., Smith Center for Healing and the Arts, 1632 U St. NW. Free. 202-483-8600. www.smithcenter.org .

Yoga for lunch, bring a mat, instructors from Yoga Activist. 12:30 p.m., Georgetown Library, 3260 R St. NW. Free; registration requested: erika.rydberg@dc.gov . 202-727-0232.

Health literacy workshop, a presentation on navigating health-care Web sites by the Project of Intermediate Advocates, bring a flash drive or WiFi-enabled device. 1 p.m. Martin Luther King Jr. Memorial Library, 901 G St. NW. Free. 202-727-0321.

Cathedral tour and tea, a docent-led tour of the highlights of the cathedral, its history, architecture and artworks, plus a traditional English tea and a scenic view of the city from the cathedral tower. 1:30 p.m. Tuesday-Wednesday, Washington National Cathedral, Docent Station at the Rear Nave, Wisconsin and Massachusetts avenues NW. $30; reservations required. 202-537-8993, www.allhallowsguild.org or misbister@cathedral.org .

Japan-in-a-suitcase, for ages 6-12; representatives from the Japan-American Society of Washington D.C. present an interactive program in which an understanding of Japan and Japanese culture is shown through hands-on activities, games and demonstrations. 2 p.m., Mount Pleasant Library, 3160 16th NW. Free. 202-671-3121.

Kids love Karaoke, for ages 9-13; practice your vocal gifts in a supportive, friendly environment, sign up as a solo or duet. 2:30 p.m., Rosedale Library, 1701 Gales St. NE. Free. 202-727-5012.

Sketching workshop, bring pencils and a small sketchbook, work with objects on display in the Luce Foundation Center. 2:30-4:30 p.m. Tuesdays, Smithsonian American Art Museum, Luce Foundation Center, Eighth and F streets NW. Free. 202-633-1000.

Human body experience, for ages 6-12; explore five major systems of the body by interacting with plastinated human organs and bone casts, do games or crafts related to anatomy or pathology, a presentation by the National Health and Science Museum. 3 p.m., Georgetown Library, 3260 R St. NW. Free. 202-727-0232.

D.C. Youth Slam Team poetry, for ages 13-19; an exciting poetry workshop. 4:30 p.m. Tuesdays, Martin Luther King Jr. Memorial Library, 901 G St. NW. Free; registration required. Jonathan Tucker, 202-787-5279.

Yoga in the evening, one-hour lesson, all skill levels welcome, mats provided. 6:30 p.m. Tuesdays through July 29, Northwest One Library, 155 L St. NW. Free. 202-939-5946.

Yoga for teens and adults, Doriel Hall teaches a step-by-step program for beginners’ health and well-being. 7 p.m. Tuesdays, Southwest Library, 900 Wesley Pl. SW. 202-724-4752; and a class taught by a representative from Yoga Activist, geared toward beginners but all are welcome. 7 p.m. Tuesdays, Cleveland Park Library, 3310 Connecticut Ave. NW. 202-282-3080. Free.

Brazilian music, Choro das 3 performs a form of urban jazz native to Brazil that shares a similar feel to New Orleans jazz, ragtime or bluegrass. 7 p.m., Hill Center at the Old Naval Hospital, 921 Pennsylvania Ave. SE. $20; in advance, $15. Tickets: www.hillcenterdc.org . 202-549-4172.

U.S. Navy Band concert, 7:30 p.m., U.S. Navy Memorial, Naval Heritage Center, 701 Pennsylvania Ave. NW. Free. 202-433-2525.

Thomas Jefferson and George Mason, a National Park Service ranger leads a walking tour and discusses these often misunderstood and, in the case of George Mason, often forgotten, figures. 8 p.m., Thomas Jefferson Memorial, 900 Ohio Dr. SW. Free. Tyler Smith, 202-426-6841.

U.S. Navy Band concert, the Commodores jazz ensemble performs. 7:30 p.m., Sylvan Theater, on the Washington Monument grounds near 15th Street and Independence Avenue SW. Free. 202-433-2525.

U.S. Air Force Band concert, the Max Impact ensemble performs a concert themed “Lest We Forget: A tribute to our Nation’s Heroes.” 8 p.m., U.S. Capitol (west steps). Free. 202-767-5658.

Wednesday, July 23

Seniors workout, Carolyn Gichner leads six weeks of a total body workout for active seniors, sponsored by Sibley Senior Association; bring a mat and light weights. 11 a.m. Wednesdays and Fridays, through Aug. 1, Metropolitan Memorial United Methodist Church, 3401 Nebraska Ave. NW. $60 for one day per week; $100 for two days per week. 202-364-7602.

Constitution-in-action family learning labs, explore history, learn about the National Archives and discover the Constitution’s impact on our daily lives as participants become researchers and archivists tasked to assist the president and his communications director in preparing for a very special news conference. 10 a.m.-noon and 2-4 p.m., National Archives, Boeing Learning Center, 700 Pennsylvania Ave. NW. Free; reservations required 24 hours in advance: learninglab@nara.gov . 202-357-5000. www.archivesfoundation.org .

Job readiness training, James Kendlin assists with constructing a résumé and discusses interview skills and general job readiness. 11 a.m.-1 p.m. Wednesdays through Aug. 27, Anacostia Library, 1800 Good Hope Rd. SE. Free. 202-715-7707 or 202-715-7708.

Five Came Back: A Story of Hollywood and the Second World War ,” author Mark Harris discusses his book, the untold story of how Hollywood changed World War II and how World War II changed Hollywood, through the prism of five lengendary American film directors caught up in the war: John Ford, William Wyler, John Huston, Frank Capra and George Stevens. Noon, National Archives, McGowan Theater, Constitution Avenue and Ninth Street NW. Free. 202-357-5000.

Library of Congress lecture, Ulrich Marzolph, University of Goettingen in Germany, discusses “The Printing Press as an Agent of Tradition in Iran: Revisiting Elizabeth Eisenstein’s The Printing Press as an Agent of Change.” Noon, Library of Congress, African/Middle Eastern Reading Room, Second floor, Jefferson Building, 10 First St. SE. Free. 202-707-4518.

Gallery talk, curatorial fellow Rachel Gustafson discusses a video installation by artist Michal Rovner. Noon, National Museum of Women in the Arts, 1250 New York Ave. NW. Free. 202-783-5000.

Let There Be Light ,” John Huston’s 1946 film commissioned by the U.S. Army Signal Corps, follows the treatment of emotionally traumatized GIs from their admission at a psychiatric hospital to their reentry into civilian life. 2 p.m., National Archives, McGowan Theater, Constitution Avenue and Ninth Street NW. Free. 202-357-5000.

STEAM Team, for ages 6-18, “Space Exploration with 826DC,” explore science, technology, engineering, arts and math with hands-on activities. 2 p.m. Wednesdays through Aug. 20, Mount Pleasant Library, 3160 16th St. NW. Free. 202-671-3121.

Bereavement support, for people who have been widowed for two years or less, sponsored by Sibley Senior Association. 2-3:30 p.m., Metropolitan Memorial United Methodist Church, 3401 Nebraska Ave. NW. Free; registration requested. 202-364-7602.

Fizz! Boom Read!, for age 5 and older, participate in a science experiment, activity or craft. 3 p.m., Palisades Library, 4901 V St. NW. Free. 202-282-3139; 4 p.m. Wednesdays, Watha T. Daniel/Shaw Library, 1630 Seventh St. NW. Free. 202-727-1288.

Pennsylvania Avenue: America’s Main Street, a National Park Service ranger leads a walk and reveals some of the avenue’s lesser-known events, places and people. 3:30 p.m. Wednesdays, Old Post Office Tower, Benjamin Franklin statue, 1100 Pennsylvania Ave. NW. Free. 202-606-8691.

Chess for kids, instruction for all ages. 4 p.m. Wednesdays, Cleveland Park Library, 3310 Connecticut Ave. NW. Free. 202-282-3080.

Teen game night, for ages 13-19; play board and Wii games. 5:30 p.m. Wednesdays, Francis A. Gregory Library, 3660 Alabama Ave. SE. Free. 202-645-4297.

Open mike night, recite your favorite poem, short story or song or one you wrote yourself. 6 p.m., Francis A. Gregory Library, 3660 Alabama Ave. SE. Free. 202-645-4297.

The Gliders in concert, the local band performs Americana, bluegrass and country tunes, bring a blanket or lawn chair. 6 p.m., Northeast Library, 330 Seventh St. NE. Free. 202-698-3320.

Family oral history workshop, special collections librarian and oral historian Kelly Navies shares her tips on interviewing techniques and research strategies. 6:30 p.m., Southwest Library, 900 Wesley Pl. SW. Free. 202-724-4752.

French film, Alain Resnais’s “Coeurs” (2006), his final film, based on dramatist Alan Ayckbourn’s 2004 comedy “Private Fears in Public Places,” a tale of six characters who warily weave through four interconnected stories, in French with English subtitles. 7 p.m., La Maison de France, 4101 Reservoir Rd. NW. Free; reservations required. www.eventbrite.com . 202-737-4215.

Chess club, for players of all ages and abilities. 7 p.m. Wednesdays, Francis A. Gregory Library, 3660 Alabama Ave. SE. Free. 202-645-4297.

U.S. Marine Band concert, a performance of works by Clare Grundman, Emmanuel Chabrier and John Philip Sousa. 8 p.m. Wednesday and July 24, U.S. Capitol (west terrace). Free. 202-433-4011.

“Cupcakes,” a comedy film set in contemporary Tel Aviv; the story of six diverse best friends who gather to watch the wildly popular UniverSong competition and decide to create and submit their own, in Hebrew, French and English with English subtitles. 8 p.m., Avalon Theatre, 5612 Connecticut Ave. NW. $11.50; students, $9; seniors, $8.75; military and age 12 and younger, $8.50. 202-966-6000. www.theavalon.org.

U.S. Air Force Band concert, the Max Impact ensemble performs a concert themed “Lest We Forget: A tribute to our Nation’s Heroes.” 8 p.m., Sylvan Theater, on the Washington Monument grounds near 15th Street and Independence Avenue SW. Free. 202-767-5658.

Thursday, July 24

Four Italian Gems: Assisi, Padua, Siena, and San Gimignano, art historian Elaine Ruffolo, a lecturer for Syracuse University in Florence, Italy, discusses these four must-see destinations, their rich history, magnificent art and fascinating architecture. 9:30 a.m.-3:45 p.m., S. Dillon Ripley Center, 1100 Jefferson Dr. SW. $130. 202-633-3030. www.smithsonianassociates.org.

Soul in Motion Players: drum and dance, for ages 5-16, a performance of chest pounding drum, foot stomping dance and an infectious joy that captures and holds heart and spirit, from Africa and living on in America. 10:15 and 11:30 a.m. July 24-25, Discovery Theater at S. Dillon Ripley Center, 1100 Jefferson Dr. SW. $8; ages 2-16, $6; 1 and younger, $3. 202-633-8700 or www.discoverytheater.org.

U.S. Marine Corps Brass Quintet in concert, the ensemble performs a 25-minute set in each of three sets. 12:30, 1:30 and 2:30 p.m., National Museum of American History, Flag Hall, second floor, 14th Street and Constitution Avenue NW. Free. 202-633-1000.

Victory garden tour, a horticulturist leads a tour of the garden and discusses some of the vegetables and flowers in the museum’s recreated World War II-era Victory garden. 1 p.m. Thursday, and Aug. 7 and 21, National Museum of American History, Welcome Desk, Constitution Avenue Entrance, first floor, 14th Street and Constitution Avenue NW. Free. 202-633-1000.

Diabetes support group, for all ages, no medical referral required. 1:30-3 p.m., Sibley Medical Building, 2nd Floor, Conference Room 5, 5215 Loughboro Rd., NW. Free. 202-364-7602.

Sounds of summer concert, Moonshine Society blues musicians perform outdoors, take a blanket or lawn chair and water. 5-7 p.m., U.S. Botanic Garden, National Garden Lawn Terrace, 100 Maryland Ave. SW. Free. 202-225-8333. www.usbg.gov.

Wii dance off, for ages 13-19, a weekly competition that uses the Wii. 5:30 p.m. Thursdays, William O. Lockridge/Bellevue Library, 115 Atlantic St. SW. Free. 202-243-1184.

Jazzy nights in Shaw: A stroll through 1920s Washington, author and local historian Garrett Peck leads a 1.5-mile walking tour that focuses on Shaw during this colorful era, starting at the legendary Howard Theatre and heading to several clubs along U Street, the Minnehaha Theatre and Ben’s Chili Bowl, and discusses the city’s race riot of 1919, the unusual tale of a policeman-turned-bootlegger and the African American artists, performers and poets who turned this neighborhood into a vaunted nightlife scene rivaled only by Harlem; bring a Metro card for portions of the tour that use the subway. 6-8 p.m., meet in front of the Howard Theatre, 620 T St. NW. $45. 202-633-3030. www.smithsonianassociates.org .

Classical music concert, participants from the NSO Summer Music Institute perform in large chamber ensembles. 6 p.m., Kennedy Center, Millennium Stage, 2700 F St. NW. Free. 202-467-4600.

“The Passion of Edith Cavell,” Cathedral Dean Gary Hall reads World War I-era poetry, artist Brian Whelan discusses his 14-panel painting installation that tells the story of the World War I British heroine Edith Cavell, an International Red Cross nurse, humanitarian and Christian martyr, before it goes on tour in Europe and to its final Easter 2015 installation in England’s Norwich Cathedral, near the site of Cavell’s burial, exhibit closes Sept. 18. 7 p.m., Washington National Cathedral, Wisconsin and Massachusetts avenues NW. Free. Reservations required: invitation@cathedral.org. 202-537-6200 or www.nationalcathedral.org.

Spotlight on Design: Tod Williams and Billie Tsien, a discussion of their notable work, including Philadelphia’s Barnes Foundation, the Asia Society Hong Kong Center and the recently demolished American Folk Art Museum in New York, come at 6 p.m. for coffee and light snacks in the Corinthian Lounge. 7-8:30 p.m., National Building Museum, 401 F St. NW. $35; students, $15. Free. 202-272-2448. www.nbm.org .

U.S. Marine Band concert, a performance of works by Clare Grundman, Emmanuel Chabrier and John Philip Sousa. 8 p.m., Sylvan Theater, on the Washington Monument grounds near 15th Street and Independence Avenue SW. Free. 202-433-4011.

— Compiled by Gerri Marmer

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