Concerts JAZZ PROFESSORS WITH VANESSA RUBIN -- 8 p.m. Saturday. Jazz concert by Stanley Cowell and Rutger's University Mason Gross, with guest vocalist Vanessa Rubin. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.

BOSTON CAMERATA AND CAMERATA MEDITERRANEA -- 8 p.m. Friday, pre-performance discussion at 7 p.m. Joel Cohen directs the vocal and instrumental group as they perform "Cantigas de Santa Maria" for the first time in North America. Dekelboum Concert Hall, Clarice Smith Performing Arts Center, University Boulevard and Stadium Drive in College Park. $30; students, $5. 301-405-2787.

BOBBY SANABRIA -- 7:30 p.m. Sunday. The Latin jazz percussionist and composer performs his "Ascension to the New World." Ina and Jack Kay Theatre, Clarice Smith Performing Arts Center, University Boulevard and Stadium Drive in College Park. $25; $5, students. 301-405-2787.

For Children AN IRISH TALE -- 10 a.m. and noon Friday, 2 p.m. Saturday. Body puppets in a humorous story of how wishes in the wrong hands can create havoc. For children in grades K-5. Publick Playhouse, 5445 Landover Road, Cheverly. $7, Friday; $10 Saturday. 301-277-1710.

SCARECROW CREATIONS -- 10 a.m.-noon. Saturday. Bring old clothes and a pair of nylon hosiery for the head. Art supplies and hay will be available to make the scarecrow. All ages welcome. Upper Marlboro Community Center, 5400 Marlboro Race Track Road, Upper Marlboro. $4; bi-county residents, $3. 301-627-2828.

MUNCHKIN FUN -- 11 a.m.-12:30 p.m. Saturday. Children ages 2 to 5 will create arts and crafts, play games and have refreshments. Seat Pleasant Activity Center, 5720 Addison Rd., Seat Pleasant. $4; bi-county residents, $3. Reservations required. 301-773-6685.

Sports and Recreation

ADULT SWIM -- 8:30-10 p.m. Tuesdays and Thursdays. Glenarden/Theresa Banks Complex, 8615 McLain Ave., Glenarden. $5; bi-county residents, $4. 301-772-5515.

BIRDING FOR BEGINNERS -- 8-10 a.m. Saturday. A park naturalist teaches beginning birders how to look for late migrant land birds and the early arrival of waterfowl. Binoculars will be provided. Children 15 and younger must be accompanied by an adult. Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. $3; bi-county residents, $2. 301-779-0371.

HARVEST HAYRIDE -- 1-3 p.m. Saturday. Ride in a hay wagon and see fall colors. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro $3; bi-county residents, $2. Reservations, 301-627-6074.

RIVER ECOLOGY BOAT TOUR -- 2 p.m. Sundays. Pontoon ride with a park naturalist, who will discuss the wildlife and history of the area. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. Reservations, 301-627-6074.

USA FUND BOAT TOUR -- Noon Wednesdays. Interpretive boat tour of the Anacostia River benefits the USA Fund, for families affected by the events of Sept. 11, 2001. Leaves from Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. Donations. 301-799-0371.

Theater "BRIGHTNESS FALLS" -- 8 p.m. Friday and Saturday, 2 p.m. Sunday. Greenbelt Arts Center presents a play based on the life of 16th-century playwright Christopher Marlowe. 123 Centerway, Greenbelt. $10; $8, seniors and students. 301-441-8770.

Lectures and Literature POETRY NIGHT -- 6:30 p.m. Friday. Stacey Matthews will read her poetry. Karibu Books, Prince George's Plaza, 3500 East-West Highway, Hyattsville. Free. 301-559-1140.

MARY DOERING -- 2 p.m. Sunday. Clothing curator talks about about Federal and Victorian clothing styles in conjunction with the exhibit "Fashionably Independent." Montpelier Mansion, Route 197 and Muirkirk Road, Laurel. $3, adults; $2, seniors; $1, children ages 5-18; 4 and younger, free. 301-953-1376.

Exhibitions

"SEEING IS BELIEVING" -- Through Nov. 27. Maryland photographers put new twists on traditional photography themes. Includes works by Mary Kunianec Skeen, Lynn Silverman, Alan Rutberg, Laura Burns, Ann Zelle, Benjamin Cricchi, James Landry and Christopher Myers. Montpelier Cultural Arts Center, Main Gallery, 12826 Laurel-Bowie Road, Laurel. Free. 301-953-1993.

"CONTRADICTIONS" -- Through Dec. 7. Local artist Hussein Saidi exhibits paintings that react to recent Washington-area violence. World Arts Focus Gallery, 3802 34th St., Mount Rainier. Free. 301-699-1819.

BRAZILIAN ART -- Through Dec. 27. Contemporary art by Brazilian painters. U.S. District Court, 6500 Cherrywood Lane, Greenbelt. Free. 301-277-1402.

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

WASHINGTON AND BALTIMORE BROADCAST HISTORY -- Ongoing. Photographs and artifacts from the early days of broadcasting in the two cities. 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 Road. Free. 301-713-6800.

Miscellaneous HOLLYWOOD FLIERS -- 2 p.m. Saturday. Showing of "Wings," a movie about air combat during World War I and the first film to win the Academy Award as best picture. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Free with museum admission: $4, adults; $3, seniors & groups; $2, students and children. 301-864-6029.

PGAA FALL ART SHOW AND SALE -- 10 a.m.-9 p.m. Saturday, 11 a.m.-6 p.m. Sunday. Prince George's Artists Association hosts a fine arts show. There will be an artists' reception 3-5 p.m. Saturday. Savage Mill New Weave Building, 8600 Foundry St., Savage. Free. 301-577-2436.

HOLIDAY CRAFT FAIR -- 11-4 p.m. Sunday. Seventy-five craftspeople display, demonstrate and sell their wares. Deerfield Run Community Center, Laurel. Free. 301-776-2805.

VETERANS DAY GOLF TOURNAMENT -- 9:30 a.m. Monday. Tournament plus prizes and lunch. Patuxent Greens Country Club, 14415 Greenview Dr., Laurel. $50 per player. 301-776-5553.

THANKSGIVING CENTERPIECE WORKSHOP -- 7-9 p.m. Wednesday. All ages will create a holiday centerpiece. Supply list provided at registration. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. $5; bi-county residents, $4. Reservations, 301-203-6040.

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.