GOSPEL CONCERT -- 2 p.m. Sunday. An afternoon performance of gospel music by Progressive Limited Gospel Quartet. Riversdale House Museum, 4811 Riverdale Rd., Riverdale Park. Ages 13 and over, $5; ages 12 and under, free. 301-864-0420.
"OOEY GOOEY FUN" -- 10 a.m.-noon Saturday. Crafts with slime, Silly Putty and volcanoes, for ages 10 and under. Upper Marlboro Community Center, 5400 Marlboro Race Track Rd., Upper Marlboro. $4; bi-county residents, $3. Reservations, 301-627-2828.
"TREASURE ISLAND" -- 11 a.m. and 1 p.m. Saturday. The Missoula Children's Theatre presents the adventure story of Jim Hawkins and pirate Long John Silver. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. $4. 301-203-6070.
"THE SCIENCE SHOW" -- 11 a.m., 1 p.m. and 3 p.m. Saturday. John Hadfield will explore the mysteries of science with music, juggling and magic in a show for children of all ages. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. $5.301-864-6029.
DAYTIME CAMPFIRE AND PUPPET SHOW -- 1-2:30 p.m. Saturday. Stories and a puppet show around a campfire; children must be accompanied by an adult. Marshmallows will be provided for roasting. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $3; bi-county, $2. Reservations, 301-297-4575.
Sports and Recreation
ADULT NIGHT ICE SKATING SPECIAL -- 8-10 p.m. today, for ages 18 and older. Herbert Wells Ice Rink, 5211 Paint Branch Pkwy., College Park. $6; bi-county residents, $5. Skate rental, $4. 301-277-3717.
WEIGHT ROOM WORKOUT -- 6:30 a.m.-10 p.m. Monday-Friday, 9 a.m.-7 p.m. Saturdays and Sundays. Adults exercise to music. Kettering/Largo Community Center, 431 Watkins Park Dr., Upper Marlboro. $30 per week; bi-county residents, $15 per week. 301-390-8390.
DROP-IN WATER AEROBICS AND AQUA JOGGING -- 7:45-9 p.m. Tuesdays and Thursdays, for ages 14 and older. Glenarden/Theresa Banks Complex, 8615-A McLain Ave., Glenarden. $6; bi-county residents, $5. 301-772-5515.
AEROBICS AND FITNESS FREEBIE -- 9 a.m.-noon. Saturday. Adults can try out the low-impact fit-and-firm aerobics class and fitness room. Berwyn Heights Community Center, 6200 Pontiac St., Berwyn Heights. Free. 301-345-2808.
WINTER ECOLOGY WALK -- 1-3 p.m. Saturday. A naturalist leads a walk in the park. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. $2; bi-county residents, $1. Reservations, 301-627-6074.
CHESAPEAKE BAY CRITICAL AREA DRIVING TOUR -- 10 a.m.-3 p.m. Sunday. A self-guided, four-mile driving tour with interpretive stops, an observation tower and a timber bridge over scenic wetlands. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. 301-627-6074.
WOMEN'S DROP-IN BASKETBALL -- 7-9 p.m. Wednesday. Women 18 and older shoot hoops. Patuxent Community Center, 4410 Bishopmill Dr., Upper Marlboro. Free with community center ID. 301-780-7577.
"HOW I LEARNED TO DRIVE" -- 8 p.m. Friday and Saturday, 2 p.m. Sunday. The Laurel Mill Playhouse performs Paula Vogel's Pulitzer Prize-winning drama about a troubling relationship between a young girl and her uncle. Laurel Municipal Pool Meeting Room, Ninth and Main streets, Laurel. $10. 301-617-9906.
"KITES TO KITTY HAWK" -- Through Jan. 31. From kite experiments of prominent scientists and engineers to the invention of the airplane, hang glider and parasail. Re-creations of historic kites are part of the exhibition. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Free with regular museum admission: adults, $4; seniors and groups, $3; students and children, $2. 301-864-6029.
WILLETTE GEORGE -- Through Feb. 24. Screens and paintings. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.
GABRIEL DUVALL EXHIBIT -- Through Feb. 28. Artifacts, primary documents and resources celebrating the public and private life of Duvall (a Supreme Court Justice from 1811 to 1835) on the 250th anniversary of his birth. Marietta House Museum, 5626 Bell Station Rd., Glenn Dale. Adults, $3; seniors, $2; ages 5-18, $1; 4 and under, free. 301-464-5291.
"WE THE CHILDREN: A HISTORY OF AFRICAN AMERICAN CHILDHOOD" -- Through March 8. Exhibition explores the simple pleasures of childhood and the historic realities that confront black Americans. Harmony Hall Regional Center, 8701 Livingston Rd., Fort Washington. Free. 301-203-6070.
RADIO PREMIUMS -- Ongoing. Memorabilia related to the radio serials of the 1930s, '40s and '50s, including "Little Orphan Annie," "Buck Rogers in the 25th Century" and "Captain Midnight." The Radio-Television Museum, 2608 Mitchellville Rd., Bowie. Free. 301-390-1020.
"PICTURING VICTIMS AND PATRIOTS: PHOTOGRAPHS FROM THE DEPRESSION AND WORLD WAR II" -- Ongoing. Photographs illustrating New Deal social welfare programs. Photographers include Gordon Parks, Walker Evans, Marion Post Wolcott, Russell Lee, Arthur Rothstein and John Vachon. Greenbelt Museum, 15 Crescent Rd. Free. 301-507-6582.
"THE FORGOTTEN WAR REMEMBERED: AMERICA AND THE KOREAN WAR" -- Ongoing. Includes 20 photographs chronicling the war, from the growing tensions during the late 1940s through the signing of the armistice in 1953. National Archives at College Park, 8601 Adelphi Rd. Free. 301-713-6800.
HOLLYWOOD FLIERS MOVIE SERIES -- 11 a.m. Friday. Screening of "Those Magnificent Men in Their Flying Machines," a comedic account of a 1910 London-to-Paris race. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Free with museum admission: adults, $4; seniors and groups, $3; ages 18 and under, $2. 301-864-6029.
AN AFTERNOON WITH STEPHEN FOSTER -- 4 p.m. Saturday. Music with a singalong, tour of the mansion and light refreshments. Marietta House Museum, 5626 Bell Station Rd., Glenn Dale. $5. Reservations, 301-464-5291.
MARYLAND CHORUS -- 10 a.m.-4 p.m. Saturday, 1-4 p.m Sunday. Musical director Edward Maclary hosts auditions. Clarice Smith Performing Arts Center, Route 193 and Stadium Dr., College Park. Free. 301-405-5571.
Prince George's Extra Weekend section lists events as space permits. Mail notices noting date, time, address, cost and phone number to Weekend Section, The Washington Post, 14402 Old Mill Rd., Upper Marlboro, Md. 20772. Deadline is 10 days before publication date.