Concerts

GREENBELT BLUES FESTIVAL -- 1-8:30 p.m. Saturday. Second annual event features performances by the Zach Sweeney Band, Matt Kelley and Rich Sampson, the Shakers, the Paulverizers, Blu Lou and Friends, Ronnie Ray and the Coolers and Clarence "The Bluesman" Turner. Festival Stage, Roosevelt Center parking lot, Crescent Road and Southway, Greenbelt. Free. 301-474-5642.

ANNIE SIDLEY -- Sunset Sunday. Performance by the rhythm-and-blues artist. Town Green Park, 13050 Ninth St., Bowie. Free. 301-809-3078.

DR. S.O. FEEL GOOD -- 7 p.m. Sunday. Performance by the soul musician. Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. Free. 301-779-0371.

For Children

ZING WING FRIDAY -- noon-4 p.m. tomorrow. Kids of all ages are invited to decorate mock airplanes. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. $3 with museum admission. $4; seniors, $3; children 18 and younger, $2. 301-864-6029.

END-OF-SCHOOL COOKOUT -- 6 p.m. tomorrow. Ages 13-17 are invited to celebrate the beginning of summer with dancing, games and refreshments. Temple Hills Community Center, 5300 Temple Hills Rd., Temple Hills. $5. 301-894-6616.

TINY TOTS TRACK MEET -- 10 a.m. Saturday. Ages 3-5 are invited to compete in sprinting, hurdling and jumping competitions. Seat Pleasant Activity Center, 5720 Addison Rd., Seat Pleasant. $6. 301-773-6685.

KIDS' CRAFT: SILK FLORAL WREATHS -- 11 a.m. Saturday. Craft workshop for ages 6-12. Glenn Dale Community Center, 11901 Glenn Dale Blvd., Glenn Dale. $9. 301-352-8983.

FATHER'S DAY ROLLER SKATING -- 1 p.m. Sunday. Open skate for ages 6-12 and their fathers. Bladensburg Community Center, 4500 57th Ave., Bladensburg. $3; fathers free. 301-277-2124.

Lectures

And Literature

JULIANNE MALVEAUX -- 6:30 p.m. Tuesday. Discussion with the coauthor of "The Paradox of Loyalty: An African American Response to the War on Terrorism." The Mall at Prince George's, Karibu Books, 3500 East West Hwy., Hyattsville. Free. 301-559-1140.

Theater and Dance

"PROOF" -- 8 p.m. Fridays and Saturdays, 2 p.m. Sundays. Prince George's Little Theatre performs David Auburn's play. Prince George's Publick Playhouse, 5445 Landover Rd., Cheverly. $10; seniors and children 18 and younger, $8. 301-277-1710.

"OVER THE RIVER AND THROUGH THE WOODS" -- 8 p.m. Fridays and Saturdays, through June 25. Greenbelt Arts Center presents the comedy by Joe DiPietro. Greenbelt Arts Center, 123 Centerway, Greenbelt. $12; seniors and students, $10. 301-441-8770.

"DAMN YANKEES" -- 8 p.m. Fridays and Saturdays, 3 p.m. Sundays, through June 26. 2nd Star productions performs the musical comedy. Bowie Playhouse, Whitemarsh Park, Route 3 and Whitemarsh Park Drive, Bowie. $17; students and seniors $14. 301-858-7245.

"OUR AMERICAN COUSIN" -- 8 p.m. Mondays, through June 27. New Old Theater performs the comedy by Tom Taylor -- best known as the play that President Abraham Lincoln was watching when he was assassinated -- by candlelight. Snow Hill Manor, 13301 Laurel-Bowie Rd., Laurel. $15; students and seniors, $10; children 5 and younger, $5. 301-725-6037.

Recreation

And Exercise

DROP-IN WATER AEROBICS -- 7:30-8:30 p.m. today and Tuesday. Water exercise class open to ages 18 and older. Glenarden/Theresa Banks Complex, 8615-A McLain Ave., Glenarden. $7; seniors, $6. 301-772-5515.

RIVER ECOLOGY BOAT TOUR -- 2 p.m. Sunday. A park naturalist leads a pontoon ride down the Patuxent River. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. Reservations, 301-627-6074.

CHESAPEAKE BAY CRITICAL-AREA DRIVING TOUR -- 10 a.m.-3 p.m. Sunday. Self-guided, four-mile driving tour includes interpretive stops, an observation tower and a timber bridge over park wetlands. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. 301-627-6074.

Exhibitions

"MAN'S BEST FRIENDS: COLONIAL AMERICANS AND THEIR PETS" -- Opens Sunday. Exhibition looks at pets kept by Americans living in the 18th century. Darnall's Chance House Museum, 14800 Governor Oden Bowie Dr., Upper Marlboro. $4; seniors, $3; children 5 and older, $2. 301-952-8010.

"MORE THAN WORDS" -- Through Saturday. New paintings by Ed Bisese. Harmony Hall Regional Center, Main Gallery, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.

MIKE SHAFFER -- Through Aug. 19. Works from the painter's "Line Paintings" series. Montpelier Cultural Arts Center, Library Gallery, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.

"140 YEARS AGO: THE CRIME OF THE CENTURY" -- Through Nov. 27. Photos, maps and memorabilia related to John Wilkes Booth's assassination of Abraham Lincoln and his escape through Southern Maryland. Surratt House Museum, 9110 Brandywine Rd., Clinton. $3; seniors, $2; children 5-18, $1; children 4 and younger, free. 301-868-1121.

"WISH YOU WERE HERE: POSTCARDS OF LAUREL" -- Ongoing. Postcards from the turn of the 20th century to today depict Laurel's history as well as the evolution of postcards. The Laurel Museum, 817 Main St., Laurel. Free. 301-725-7975.

"LIVING THE HEALTHY LIFE: SPORTS, HEALTH AND FITNESS IN THE NEW DEAL ERA" -- Ongoing. Chronicle of the evolution of health and fitness awareness during the 1930s and 1940s. Greenbelt Museum, 15 Crescent Rd., Greenbelt. Free. 301-507-6582.

RADIO PREMIUMS -- Ongoing. Memorabilia related to radio serials of the 1930s, '40s and '50s, including "Radio Orphan Annie," "Buck Rogers in the 25th Century" and "Captain Midnight." Radio-Television Museum, 2608 Mitchellville Rd., Bowie. Free. 301-390-1020.

"THE FORGOTTEN WAR REMEMBERED: AMERICA AND THE KOREAN WAR" -- Ongoing. Includes 20 photographs documenting the war, from growing tension during the late 1940s through the signing of the armistice in 1953. National Archives at College Park, 8601 Adelphi Rd. Free. 866-272-6272.

Miscellaneous

MARYLAND SADDLE ASSOCIATION HORSE SHOW -- 8 a.m.-5 p.m. Saturday and Sunday. Local riders compete in a hunter-jumper show. The Show Place Arena, 14900 Pennsylvania Ave., Upper Marlboro. Free. 301-952-7999.

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