NAVY MEMORIAL JAZZ CONCERT, the Navy Band's Commodores, noon, Navy Memorial, 701 Pennsylvania Ave. NW. Free. 202-433-2525.
ORGAN RECITAL, Marvin Mills, 12:15-12:45 p.m., National City Christian Church, 5 Thomas Cir. NW. Free. 202-232-0323.
SEEDS NATURE TALK, for ages 4 and older, a park ranger discusses how new plants grow in the forest when seeds travel, 4 p.m., Rock Creek Park Nature Center, 5200 Glover Rd. NW. Free. 202-895-6070.
ZOO PARTY, "Lollapa-MOO-za," sponsored by Friends of the National Zoo Young Professionals, performances by rock bands Rude Buddha and Another Brother, snacks, European beer samples, tours and more, 6-9 p.m., National Zoological Park, 3001 Connecticut Ave. NW. $15; reservations recommended. 202-673-4637.
JAZZ CONCERT, Swingin' Swamis, 6 p.m., Kennedy Center, Grand Foyer, 2700 F St. NW. Free. 202-467-4600.
BIODIVERSITY TALK, Russell Greenberg, director of the Smithsonian Migratory Bird Center, discusses the National Zoo's research on ants, coral reefs, black-footed ferrets and more, 7:30 p.m., National Zoological Park, 3001 Connecticut Ave. NW. Free; reservations recommended. 202-673-4925.
PHOTOGRAPHY TALK, education specialist Deborah Gaston discusses Sam Taylor-Wood's "Soliloquy IV" (1998), 12:30 p.m., Hirshhorn Museum and Sculpture Garden, Independence Avenue and Seventh Street SW. Free. 202-357-2700.
VIETNAM ART RECEPTION, for "Vietnam in Profile," photographs by Peter Steinhauer and Nguyen Hoai Linh, 6:30-8:30 p.m. Friday; exhibit continues, 10 a.m.-6:30 p.m. Mondays through Saturdays, through Oct. 21, Embassy of France, 4101 Reservoir Rd. NW. Free; reservations and photo ID required. 202-944-6091.
RAQUEL WELCH FILM, "Myra Breckinridge" (1970), about a film critic who undergoes a sex change operation, 7 p.m., Library of Congress, Madison Building, Mary Pickford Theater, 101 Independence Ave. SE. Free; reservations recommended. 202-707-5677.
ANCIENT JAPANESE MUSIC, Toshihiro Kido, former director of the National Theatre of Japan, discusses the history of ancient Japanese court music and performs new music written for ancient instruments, 7 p.m., Freer Gallery of Art, Meyer Auditorium, 12th Street and Jefferson Drive SW. Free. 202-633-1000.
MARS EXPLORATION, discussed by James B. Garvin, a NASA scientist, sponsored by the Philosophical Society of Washington, 8:15 p.m., Cosmos Club, John Wesley Powell Auditorium, 2170 Florida Ave. NW. Free. 703-370-5282.
BALLROOM DANCING, music by the Lasalle Dance Orchestra, 8:30 p.m. Fridays and Saturdays, through Sept. 18, Kennedy Center, River Terrace, 2700 F St. NW. Free; tickets required. 202-467-4600.
9/11 MEMORIAL TREE PLANTING, to honor those who died in the Pentagon attack on Sept. 11, 2001, 9:30 a.m., Leckie Elementary School, 4201 Martin Luther King Ave. SW. Free; reservations required. 202-667-1798.
FRANCIS SCOTT KEY DISCUSSION, for ages 7 and older, a park ranger discusses the Georgetown lawyer who wrote the lyrics for "The Star-Spangled Banner," 10 a.m., C&O Canal Georgetown Visitor Center, 1057 Thomas Jefferson St. NW. Free. 202-653-5190.
POND PLANTS, aquaculture specialist Howard Crum discusses plants appropriate for a backyard pond, 10 a.m., National Arboretum, 3501 New York Ave. NE. $10. 202-245-5898.
BLACK FAMILY REUNION, cultural exhibits, health screenings, international arts and crafts, food and live music, 10 a.m.-8 p.m. Saturday, noon-8 p.m. Sunday, Washington Monument grounds, Independence Avenue and 15th Street NW. Free. 202-737-0120.
LANDSCAPE GARDENING TALK, Martin Mosko and Alxe Noden discuss the use of cascading water, gently swaying trees and mounds of boulders, 10:30 a.m., U.S. Botanic Garden, 245 First St. SW. $12; reservations required. 202-226-4082.
CHILDREN'S BOOK, NATURE EVENT, author Mary Quattlebaum reads from her books "Family Reunion" and "Jackson Jones and Mission Greentop"; activities include painting garden pots, creating seed art, drawing and painting flowers and plants, with artist Peter Waddell, light refreshments, 11 a.m.-3 p.m., Tudor Place, 1644 31st St. NW. $15; children, free; reservations required. 202-965-0400, Ext. 109.
HISTORY REENACTMENTS, actors portray lawyer Charles Hamilton Houston, Supreme Court Justice Thurgood Marshall, a Jewish peddler, an enslaved African American and an African American Civil War soldier as they tell tales of their pursuit of freedom, noon, 2 and 4 p.m. Saturdays and Sundays, through Sept. 19, National Museum of American History, 14th Street and Constitution Avenue NW. Free. 202-633-1000.
ROCK CREEK PARK HIKE, for ages 7 and older, a park ranger leads a half-mile exploratory walk along Woodland Trail, 2 p.m., Rock Creek Park Nature Center, 5200 Glover Rd. NW. Free. 202-895-6070.
GARDEN DESIGN TALK, Fran Sorin discusses how she turns outdoor spaces into beautiful gardens, 2-3:30 p.m., U.S. Botanic Garden, 245 First St. SW. $5; reservations required. 202-226-4082.
WORLD WAR II PHOTO EXHIBIT, curator Michelle Delaney discusses the museum's efforts to collect photographs and family albums from the 1940s and photographs by Robert Capa, the Scurlock Studio and Navy photographer John Wesley Stipe, 2 p.m., National Museum of American History, 14th Street and Constitution Avenue NW. Free. 202-633-1000.
ARBORETUM BIRD-WATCHING, led by an arboretum staff member, 5-6:30 p.m., National Arboretum, 3501 New York Ave. NE. $8; reservations required. 202-245-5898.
"CANSTRUCTION BUILD-OUT," teams of architects, engineers and contractors create models of office buildings, hotels, theaters and more using canned goods during a six-hour period, visitors vote for their favorite structure and are encouraged to bring a canned good for the Capital Area Food Bank, 6 p.m.-midnight, the Mall at 2000 Penn, 2000 Pennsylvania Ave. NW. Free; reservations required. 202-667-1798.
PERSECUTION VICTIMS REQUIEM, Michael McCarthy conducts the combined cathedral choirs and soloists Diane Atherton, Barbara Hollinshead and Steven Combs in a performance of Stale Kleiberg's "Requiem for the Victims of Nazi Persecution"; the composer discusses his work, 7:15 p.m., Washington National Cathedral, Massachusetts and Wisconsin avenues NW. $10, $25. 202-537-5757.
KENNEDY CENTER OPEN HOUSE, celebration of its 33rd birthday with dance and music performances and activities showcasing native cultures of the Americas and Puerto Rico, 11:45 a.m.-7 p.m., 2700 F St. NW. Free; some events require free tickets. 202-467-4600.
ADAMS MORGAN FESTIVAL, art market, live music, crafts, ethnic-food booths, youth activities, vendors, arts and crafts, and more, noon-6 p.m., 18th Street NW between Florida Avenue and Columbia Road. Free. 202-232-1978 or www.ammainstreet.org.
KALORAMA HOUSE, EMBASSY TOURS, self-guided visits to the Woodrow Wilson House, residences of the ambassadors of Chile, Romania, Hungary and Bolivia, and other residences, sponsored by Friends of the Wilson House, noon-5 p.m., tickets include a program on the architecture and history of each site, tour begins at the Wilson House, 2340 S St. NW. $25; in advance, $22. 202-387-4062, Ext. 18.
14TH STREET ARCHITECTURE TOUR, Daniel Emberley, writer, and Mary Fitch, executive director of the American Institute of Architects, lead a tour of the area's architecture, 1 p.m., meet at Luther Place Memorial Church, 1226 Vermont Ave. NW. Free; reservations required. 202-667-1798.
U.S. HISTORY PANEL DISCUSSION, authors Walter Isaacson, Joel Achenbach, Stanley Weintraub and others discuss their views of the Founding Fathers, 2-5:30 p.m., National Archives, Constitution Avenue NW, between Seventh and Ninth streets. Free; reservations required. 202-501-5000, Ext. 5.
ART RECEPTION, for "Quest for Meaning: Seeing With the Heart's and Mind's Eye," a varied-medium exhibit, meet the artists, 3-5 p.m.; exhibit continues, 9 a.m.-5 p.m. Mondays through Saturdays, 12:30-5 p.m. Sundays, through Oct. 15, Washington Theological Union, 6896 Laurel St. NW. Free. 202-726-8800.
ARCHITECTURAL SKETCHING, architect Eric Jenkins and others from the Catholic University of America's School of Architecture lead the event, 3:45 p.m., meet at the U Street/Cardozo Metro station across from the Lincoln Theater, 1300 U St. NW. Free; reservations required. 202-667-1798.
GOSPEL MUSIC, ART, concert by the American University Gospel Choir, 4 p.m.; an exhibit of contemporary works by 14 artists, reception, 5-6:30 p.m., Metropolitan Memorial United Methodist Church, 3401 Nebraska Ave. NW. Free. 202-363-4900.
CATHEDRAL ORGAN RECITAL, Mark Cole, 5 p.m., Washington National Cathedral, Massachusetts and Wisconsin avenues NW. Free. 202-537-6200.
VOCAL RECITAL, Olga Tanon, 6 p.m., Kennedy Center, Concert Hall, 2700 F St. NW. Free. 202-467-4600.
NEHRU TALK, Judith M. Brown discusses her book "Nehru: A Political Life," about India's first prime minister after independence from British rule, 4:30 p.m., Library of Congress, Jefferson Building, 10 First St. SE. Free. 202-707-2692.
KENNEDY CENTER FREE CONCERTS, local jazz artists salute Charles Mingus and Thelonious Monk, 6 p.m. Monday; Japanese dancer Maoko Maeshiba, 6 p.m. Tuesday and Wednesday, Grand Foyer, 2700 F St. NW. Free. 202-467-4600.
WORKING WITH AN ARCHITECT, an architect discusses how to work with an architect when planning a new house, addition or office, and how to avoid common misunderstandings, 6:30-8 p.m., American Institute of Architects, 1777 Church St. NW. Free; reservations required. 202-667-1798.
CAPITAL "SHENANIGANS," John McCaslin discusses his book "Inside the Beltway: Offbeat Stories, Scoops and Shenanigans From Around the Nation's Capital," 7 p.m., Corcoran Gallery of Art, 500 17th St. NW. $14. 202-639-1770.
SPANISH ART TALK, curator Massumeh Farhad leads a tour of the exhibit "Caliphs and Kings: The Art and Influence of Islamic Spain" and discusses the art and its legacy, noon, Arthur M. Sackler Gallery, 1050 Independence Ave. SW. Free. 202-633-1000.
CLASSICAL RECITAL, faculty members from the Levine School of Music, 12:10 p.m., Church of the Epiphany, 13th and G streets NW. Free. 202-347-2635, Ext. 18.
HEALTH IN ANCIENT EGYPT, Chahira Kozma of the Georgetown University Medical Center discusses ancient medical practices and evidence of diseases from a range of biological, written and artistic sources and the study of pathological tissue in mummies and skeletal remains, 6:30 p.m., Embassy of Egypt, 3521 International Ct. NW. Free; reservations required. 202-895-5400.
BOOK CARE AND COLLECTING, Library of Congress curator Daniel De Simone and rare book conservator Terry Boone discuss the best ways to choose rare books to buy and care for them, 6:30 p.m., Tudor Place, 1644 31st St. NW. $15; reservations required. 202-965-0400, Ext. 109.
STARTING KIDS READING WORKSHOPS, learn how to set up book clubs and reading-aloud programs, find funding and more, sponsored by the Mayor's Advisory Committee on Early Childhood Development and other agencies, 8 a.m.-6:30 p.m., Peoples Congregational Church, 4704 13th St. NW. $10. 202-561-5736.
AMELIA EARHART TALK, curator Dorothy Cochrane discusses the famous female aviator, noon, National Air and Space Museum, Sixth Street and Independence Avenue SW. Free. 202-633-1000.
CORCORAN JAZZ CONCERT, guitarist Ron Kramer, 12:30 p.m., Corcoran Gallery of Art, 500 17th St. NW. Free. 202-639-1774.
CHILDREN'S CHESS CLUB, for ages 5-10, all skills, 4 p.m. Wednesdays, Southeast branch library, 403 Seventh St. SE. Free. 202-698-3377.
BUSINESS OWNERSHIP, a representative from the National Women's Business Center discusses how to establish and build a business and how to research business ideas, 6-8 p.m., the center, Suite 919, 1001 Connecticut Ave. NW. $25. 202-464-1400.
"TO KILL A MOCKINGBIRD," film starring Gregory Peck and Robert Duvall, 7 p.m., Library of Congress, Madison Building, Mary Pickford Theater, 101 Independence Ave. SE. Free; reservations recommended. 202-707-5677.
PARTISAN FASHION, museum curator Harry Rubenstein discusses clothing worn at functions supporting candidates, noon, National Museum of American History, 14th Street and Constitution Avenue NW. Free. 202-633-1000.
LATINO MUSEUM LECTURE, Anna Escovedo-Cabral, director of the Smithsonian Center for Latino Initiatives, discusses the history of the center and its mission, noon, Library of Congress, Madison Building, Dining Room A, 101 Independence Ave. SE. Free. 202-707-3702.
POET'S READING, Margaret R. Drucker reads from her works, 7 p.m., Tenley-Friendship branch library, 4450 Wisconsin Ave. NW. Free. 202-282-3090.
PRINCESS'S BOOK TALK, Princess Michael of Kent discusses her book "The Serpent and the Moon: Two Rivals for the Love of a Renaissance King," about how the love triangle of Henri II, his wife, Catherine de Medici, and his mistress, Diane de Poitiers, changed France, 7 p.m., Corcoran Gallery of Art, 500 17th St. NW. $20. 202-639-1770.
LATIN JAZZ CONCERT, percussionist Frank Colon, 7:30 and 9:30 p.m., Kennedy Center, Terrace Gallery, 2700 F St. NW. $25. 202-467-4600.
-- Compiled by GERRI MARMER
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