MARY LOU AND THE UNTOUCHABLES -- 7-8:30 p.m. today. R&B, classic rock and original music as part of "Concerts in the Park!" Watkins Regional Park, 301 Watkins Park Dr., Upper Marlboro. Free. 301-218-6700.
POND LIFE HIKE -- 10-11 a.m. tomorrow. Ages 6 and older use dip nets to see what life they can find in the pond. Dress for muddy, wet conditions. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $3. Reservations, 301-297-4575.
ZING-WING FRIDAY -- Noon-4 p.m. tomorrow. Children explore museum and paint, color and otherwise decorate a foam Zing-Wing Flyer. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Free with museum admission: adults, $4; seniors and students, $3; children 18 and younger, $2. 301-864-6029.
RED, WHITE AND BLUE TIE-DYEING -- 1-5 p.m. Saturday. Ages 7 and older bring two white items (T-shirts, socks, boxers, sheets, etc.) to tie-dye. Glenn Dale Community Center, 11901 Glenn Dale Blvd., Glenn Dale. $4. 301-352-8983.
ANIMAL SHOW -- 10-11 a.m. Wednesday. Ages 2-5 will meet animals that live at the center. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $3. Reservations, 301-297-4575.
Theater and Dance
"ONE FLEW OVER THE CUCKOO'S NEST" -- 8 p.m. tomorrow and Saturday. The Laurel Mill Playhouse presents a show based on the novel by Ken Kesey and directed by Kathe Park. 508 Main St., Laurel. $12.50; younger than 18 and older than 65, $10. 301-617-9906.
Lectures and Literature
JEFF HASKINS -- 6:30 p.m. tomorrow. Poet will perform and read from "Heavy on My Mind: Freedom Through Poetic Verse." Karibu Books, Bowie Town Center, 15624 Emerald Way, Bowie. Free. 301-352-4110.
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.
KAYAK KAPER -- 9 a.m.-noon. Saturday. Guided kayak trip through the tidal wetlands along the Patuxent River for ages 12 and older. No experience necessary. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. $18. Reservations, 301-627-6074.
NATURE POWER WALK -- 8-10 a.m. Saturday. Naturalist-led brisk hike for ages 16 and older. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $3. 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. Tuesday. 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.
"THROUGH A PINHOLE, CLEARLY" -- Through Aug. 28. Group exhibit by photographers who use the diverse possibilities of the pinhole camera. Main Gallery, John Addison Concert Hall at Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.
"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. Exhibit 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 2005. 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 signing of the armistice in 1953. National Archives at College Park, 8601 Adelphi Rd. Free. 301-713-6800.
HOLIDAY DANCE -- 8-11 p.m. tomorrow. The Laurel Friendship Club hosts its monthly dance, featuring modern, oldies, big-band, ballroom, Latin, swing, country and line dances. Phelps Center, Eighth and Montgomery streets, Laurel. $2.99. 301-937-2896.
DELMARVA SUMMER CLASSIC MORGAN HORSE SHOW -- 8 a.m. today through Sunday. Junior and adult amateur horseback riders compete in the outdoor rings. Prince George's Equestrian Center, 14900 Pennsylvania Ave., Upper Marlboro. Free. 301-952-7999.
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