Concerts

U.S. AIR FORCE BAND -- 8 p.m. today. The U.S. Air Force Woodwind Quintet performs as part of the band's Chamber Players Series. John Addison Concert Hall at Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.

CIVIL WAR SONGS AND STORIES -- 6-9 p.m. tomorrow. Program by Matthew Dodd includes dinner. Surratt House Museum, 9118 Brandywine Rd., Clinton. $25. Reservations, 301-868-1121.

BUCK HILL QUARTET -- 8 p.m. tomorrow. Local saxophonist plays the first jazz concert of Montpelier's fall season. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. $20. 301-953-1993.

ETHEL ENNIS -- 8 p.m. Saturday. Baltimore singer Ethel Ennis starts off the "Women in Jazz" series at Harmony Hall Regional Center's John Addison Concert Hall, 10701 Livingston Rd., Fort Washington. $20; students and seniors, $15. 301-203-6070.

For Children

BACK-TO-SCHOOL DANCE -- 6-9 p.m. tomorrow. Children ages 6-12 dance to hip-hop tunes; light refreshments will be sold. Potomac Landing Community Center, 12500 Fort Washington Rd., Fort Washington. $6. 301-292-9191.

BACK-TO-SCHOOL CELEBRATION -- 11 a.m.-3 p.m. Saturday, for ages 5-12. Story time, a puppet show and games. Adults must accompany children. Allentown Fitness and Splash Park, 7210 Allentown Rd., Fort Washington. $5. 301-449-5567.

JAY JAY THE JET PLANE -- 11 a.m.-4 p.m. Saturday and Sunday. Children of all ages meet the cartoon character and take part in arts and crafts. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. $8. 301-864-6029.

Lectures

And Literature

LINDA PERLSTEIN -- 7 p.m. Wednesday. Author of "Not Much Just Chillin': The Hidden Lives of Middle Schoolers" discusses her book. Bowie Branch Library, 15210 Annapolis Rd. Free. 301-262-7000.

Sports

And Recreation

DROP-IN WATER AEROBICS -- 7:30-8:30 p.m. Tuesdays and Thursdays. Pool workout for ages 18 and older. Glenarden/Theresa Banks Complex, 8615-A McLain Ave., Glenarden. $6. 301-772-5515.

ANACOSTIA RIVER BOAT TOURS -- Noon Tuesdays, Thursdays and Saturdays. Guided 45-minute pontoon tours to observe birds and other wildlife. Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. Free. 301-779-0371.

BAT AND BEAVER WALK -- 6:30-8 p.m. tomorrow. Naturalist-led walk to look for night animals, including bats, beavers, insects and owls. Ages 5 and older. Watkins Nature Center, 301 Watkins Park Dr., Upper Marlboro. $2. 301-218-6702.

NATURE POWER WALK -- 8-10 a.m. Saturday. Naturalist-led brisk hike for ages 18 and older. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $3. Reservations, 301-297-4575.

KAYAK KAPER -- 9 a.m.-noon. Saturday. Ages 12 and older will explore the tidal wetlands along the Patuxent River on a guided kayak trip. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. $18. Reservations, 301-627-6074.

TUCKER ROAD ICE RINK OPEN HOUSE -- 10 a.m. Saturday. Activities include a skate swap, face painting, a synchronized skating demonstration and an ice hockey scrimmage and demonstration. Also, the ice rink's figure skating club will skate the story of "The Little Mermaid" at 11 a.m. Tucker Road Ice Rink, 1770 Tucker Rd., Fort Washington. Free. 301-265-1525.

RIVER ECOLOGY BOAT TOURS -- 2-3 p.m. Sundays. A naturalist leads a pontoon trip and teaches about the wetlands, wildlife and history of the area. 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. Sundays. Self-guided, four-mile driving tour includes 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.

Exhibitions

"THIS FAIR LADY: THE LIFE OF LETTICE LEE" -- Through Sept. 26. Artifacts from the life of Lettice Lee, resident of the historic home from 1748 to 1776. Darnall's Chance House Museum, 14800 Gov. Oden Bowie Dr., Upper Marlboro. $3; seniors, $2; ages 5-18, $1. 301-952-8010.

"DAVID BROSCH, PRINTS" -- Through Sept. 28. The resident printmaker at Montpelier will show his latest work in the Resident Artists' Gallery. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.

"SUSANNA BRABAENDER, DIVINE INFANTS" -- Through Sept. 30. Raku-fired pottery on display. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.

"SONGS OF SUMMER" -- Through Sept. 30. Colored pencil drawings and watercolors by Ingrid Cowan Hass. New Deal Cafe, Roosevelt Center, 113 Centerway Rd., Greenbelt. Free. 301-474-5642.

"DIALOGUE: ART.TECHNOLOGY.IMAGERY" -- Through Oct. 28. Digital photography and multimedia works by various artists. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.

"GETTING OUT THE VOTE: THE POLITICAL SCENE IN THE 1800s" -- Through Nov. 30. Political memorabilia of the era. Surratt House Museum, 9118 Brandywine Rd., Clinton. $3; seniors, $2; ages 5-18, $1. 301-868-1121.

"HORACE CAPRON AT 200: A FOUNDER'S LIFE" -- Through Dec. 31. Photographs, autobiography excerpts and other artifacts chronicle the life and times of Laurel's founder. The Laurel Museum, 817 Main St., Laurel. Free. 301-725-7975.

"SSS . . . WHEN THE IRON WAS HOT: AFRICAN AMERICAN IRONWORKERS IN LAUREL/MUIRKIRK 1730-1930" -- Through March 31. Historical exhibition celebrates the contribution of black ironworkers in Laurel. Montpelier Mansion, Route 197 and Muirkirk Road, Laurel. $3; seniors, $2; ages 5-18, $1. 301-953-1376.

"PLEASE BE SEATED" -- Ongoing. Nineteenth-century chairs, sofas, stools and benches from the museum's permanent collection. Riversdale House Museum, 4811 Riverdale Rd., Riverdale. $3; seniors, $2; children, $1. 301-864-0420.

"LIVING THE HEALTHY LIFE: SPORTS, HEALTH AND FITNESS IN THE NEW DEAL ERA" -- Ongoing. Exhibition examines the evolution of health and fitness awareness during the 1930s and '40s. 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 signing of the armistice in 1953. National Archives at College Park, 8601 Adelphi Rd. Free. 301-713-6800.

Miscellaneous

MARYLAND HORSE AND PONY SHOW -- 8-10 a.m. tomorrow-Sunday. Horse show in an indoor arena. The Show Place Arena, 14900 Pennsylvania Ave., Upper Marlboro. Free. 301-952-7999.

CIVIL WAR ENCAMPMENT -- 10 a.m.-4 p.m. Saturday. Reenactors demonstrate drills, weaponry, battle tactics and camp life. Marietta House Museum, 5626 Bell Station Rd., Glenn Dale. Adults, $5; ages 4-18, 2; ages 3 and younger, free. 301-464-5291.

GLASSMANOR DAY -- 11 a.m. Saturday. Food, entertainment, games and music. Glassmanor Community Center, 1101 Marcy Ave., Oxon Hill. $1. 301-567-6033.

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