BC AND THE BLUES CREW -- 7-8:30 p.m. today. Funk and rhythm-and-blues. Watkins Regional Park, 301 Watkins Park Dr., Upper Marlboro. Free. 301-218-6700.
THE U.S. NAVY SEA CHANTERS -- 6:30-7:30 p.m. Sunday. A variety of choral music, from traditional songs to selections from Broadway musicals. Bladensburg Waterfront Park, Bladensburg. 301-779-0371.
PROJECT NATALE -- 7-8 p.m. Wednesday. Jazz concert; part of the "Music on the Portico" series. Riversdale House Museum, 4811 Riverdale Rd., Riverdale Park. Free. 301-864-0420.
"SHERLOCK BONES" -- 7-8:30 p.m. today. Ages 6 and older pretend they are nature detectives and learn to identify animals from skulls and bones. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $3. Reservations, 301-297-4575.
FAMILY FUN NIGHT -- 6-9 p.m. tomorrow. Families play games together. Columbia Park/Kentland Community Center, 2411 Pinebrook Ave., Landover. Free. 301-386-2278.
SCOOTER RODEO -- 10 a.m.-1 p.m. Saturday. Children ages 6-12 are invited to bring their scooters and participate in a competition. Marlow Heights Community Center, 2800 St. Clair Dr., Marlow Heights. $4. 301-423-0505.
FAMILY FUN DAY -- 11 a.m. Saturday. Arts and crafts, water games, a moon bounce and snow cones. Glassmanor Community Center, 1101 Marcy Ave., Oxon Hill. $2. Reservations, 301-567-6033.
Theater and Dance
AFRICAN HERITAGE DANCERS AND DRUMMERS -- 10 a.m. and noon today. Melvin Deal and the African Heritage Company perform. Publick Playhouse, 5445 Landover Rd., Cheverly. $6. 301-277-1710.
"ONE FLEW OVER THE CUCKOO'S NEST" -- 8 p.m. tomorrow and Saturday. The Laurel Mill Playhouse presents a play based on the novel by Ken Kesey, set among the patients and workers in a mental institution. 508 Main St., Laurel. $12.50; students and seniors, $10. 301-617-9906.
"GREASE" -- 8 p.m. tomorrow and Saturday. Prince George's Summer Teen Theater presents the popular musical about high schoolers in the 1950s. High Point High School, 3601 Powder Mill Rd., Beltsville. $10; students and seniors, $8. 301-725-3450.
Lectures and Literature
"SPEAKING OF FLIGHT: WOMEN AIRFORCE SERVICE PILOTS" -- 2 p.m. Sunday. Women who ferried targets, tested aircraft and flew transport without equal compensation during World War II discuss their experiences. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Free with museum admission: $4; seniors, $3; 18 and younger, $2. 301-864-6029.
Sports and Recreation
DEEP-WATER WALKING -- 7-8:30 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-12:45 p.m. Tuesdays, Thursdays and Saturdays; 7-7:45 p.m. Sundays. A guided tour aboard a pontoon to search for birds and other wildlife. Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. Free. 301-779-0371.
BIRDING FOR BEGINNERS AND FAMILIES -- 10-11:30 a.m. Wednesday. Ages 8 and older learn to recognize local birds by their songs and plumage. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $2. 301-297-4575.
AFRICAN/CARIBBEAN DANCE WORKOUT -- 10-11:15 a.m. Saturdays. An intense workout for ages 16 and older. Mount Rainier Nature and Recreation Center, 4701 31st Pl., Mount Rainier. $7. 301-927-2163.
CHESAPEAKE BAY CRITICAL-AREA DRIVING TOUR -- 10 a.m.-3 p.m. Sundays. A self-guided, four-mile driving tour with interpretive stops, including an observation tower and a timber bridge over scenic wetlands. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. 301-627-6074.
DROP-IN WATER AEROBICS -- 6:30-7:30 p.m. Tuesdays. Low-impact exercise class in the water. Ellen Linson Swimming Pool, 5211 Paint Branch Pkwy., College Park. $7. 301-277-3717.
"NORMANDY PORTRAITS" -- Through Aug. 21. Photographs and personal histories commemorating the 60th anniversary of the Normandy invasion. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.
"THIS FAIR LADY: THE LIFE OF LETTICE LEE" -- Through Sept. 26. Exhibition includes artifacts from Lee, who lived at Darnall's Chance 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.
"GETTING OUT THE VOTE: THE POLITICAL SCENE IN THE 1800s" -- Through November. Political memorabilia. 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 December. Exhibition about a founder of Laurel who is also known internationally. The Laurel Museum, 817 Main St., Laurel. Museum hours: 10 a.m.-2 p.m. Wednesdays and the first Friday of the month; 1-4 p.m. Sundays. Free. 301-725-7975.
"PLEASE BE SEATED" -- Ongoing. Nineteenth-century chairs, sofas, stools and benches from the Riversdale House Museum's permanent collection. 4811 Riverdale Rd., Riverdale. $3; seniors, $2; ages 5-18, $1. 301-864-0420.
"SSS . . . WHEN THE IRON WAS HOT: AFRICAN AMERICAN IRONWORKERS IN LAUREL/MUIRKIRK 1730-1930" -- Through March. Exhibition examines 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.
"LIVING THE HEALTHY LIFE: SPORTS, HEALTH AND FITNESS IN THE NEW DEAL ERA" -- Ongoing. The development of health and fitness awareness through sports, government, city planning and daily life in the 1930s and '40s. Greenbelt Museum, 15 Crescent Rd., Greenbelt. 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 chronicling 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. 301-713-6800.
SOUTHERN MARYLAND QUARTER HORSE SHOW -- 8 a.m.-6 p.m. tomorrow through Sunday. Quarter horse show with English and Western events. Prince George's Equestrian Center, 14900 Pennsylvania Ave., Upper Marlboro. Free. 301-952-7999.
"HISTORY WEEKEND AT HOME" -- 11 a.m.-4 p.m. Saturday and Sunday. Nineteenth-century activities and games, plus free tours of the former home of U.S. Supreme Court Justice Gabriel Duvall. Marietta House Museum, 5626 Bell Station Rd., Glenn Dale. Free. 301-464-5291.
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