See Stars Under the Stars

Two free outdoor film series are setting up their giant screens this week. No tickets or reservations are required.

* The nine-night in a row Cox Movies Under the Moon, on the George Mason University campus at 4400 University Dr., Fairfax, opens Friday at 8:30 with "The Sound of Music." It will be followed by "The Aviator," Saturday; "The SpongeBob SquarePants Movie," Sunday; "West Side Story," Monday; "Rocky," Tuesday; "Harry Potter and the Prisoner of Azkaban," Wednesday; "Ray," Thursday; "Ghostbusters," July 22; and "Dirty Dancing," July 23. Gates and vendor booths open at 6:30. Proceeds from food sales benefit Inova Fairfax Hospital for Children and Special Love for children with cancer. Call 703-323-6333 or visit www.moviesunderthemoon.org.

* Mondays at dusk through Aug. 15, Screen on the Green shows cinema classics on the Mall between Fourth and Seventh streets (Metro: Archives-Navy Memorial). The lineup: "The Way We Were," Monday; "The Treasure of the Sierra Madre," July 25; "Suspicion," Aug. 1; "Who's Afraid of Virginia Woolf?," Aug. 8; and "The Big Sleep," Aug. 15. Call 877-262-5866.

Flowers That Float

Explore more than 75 varieties of blooming lilies and lotuses at the annual Waterlily Festival Saturday from 11 to 2 at Kenilworth Park and Aquatic Gardens, 1550 Anacostia Ave. NE (Metro: Deanwood). The Blue Sky Puppet Theatre will entertain children, and experts will conduct water gardening workshops and lead tours of the pond and greenhouse. Admission is free. Call 202-426-6905. See story on Page 52.

Sounds of the World

Columbia stages its 11th annual International Day Saturday from noon to 11 at the Lake Kittamaqundi waterfront in the Town Center on Little Patuxent Parkway. Latin, Irish, klezmer, jazz and other bands will play all day, and vendors will sell international foods and crafts. From 1 to 5, children's activities will include a moon bounce, balloon sculptures and a dragon maze. Admission is free. Call 410-715-3161.

The Islands in Baltimore

Baltimore's Caribbean-American Carnival celebrates the cultures of the Caribbean Friday from 5 to 10 and Saturday and Sunday from noon to 9 at Druid Hill Park, at Gwynn Falls Parkway and McCullough Street. Carl Malcolm & Positive Vibrations, the Baltimore Islanders Steel Band and other reggae, soca and steel bands will play, and vendors will sell curried goat, plantains and other traditional dishes.

A parade begins Saturday at noon in

the 5400 block of Park Heights Avenue

and marches south to the park.

Admission at the gate is $5, children younger than 10 $3. Call 410-230-2969 or 877-225-8466, or visit

www.bcacarnival.com.

The Politics of Theater

The Potomac Theatre Project is hosting its 19th annual summer festival of plays with political and social themes through Aug. 7 at the Olney Theatre Center, 2001 Olney-Sandy Spring Rd., Olney. They are "Somewhere in the Pacific," a portrait of a Marine unit aboard a Navy transport ship in the last days of World War II; "Press Conference," "The American Dream" and "One for the Road," three short comedies of the absurd by Harold Pinter and Edward Albee; and the world premiere of Snoo Wilson's "Lovesong of the Electric Bear," a satirical biography of British computer genius Alan Turing as seen by Turing's teddy bear. The plays are performed in rotating repertory in the Mulitz-Gudelsky Theatre Lab. Tickets cost $10. Call 301-924-3400.

NSO X Three

The National Symphony Orchestra is hosting three free concerts at two venues this week. No tickets or reservations are needed.

* Two concerts are at Carter Barron Amphitheatre, in Rock Creek Park at 16th Street and Colorado Avenue NW. Friday at 7:30, Sarah Hatsuko conducts "An Outdoor Celebration," featuring music with outdoor themes by Copland, Smetana, Sousa and Gershwin. Saturday at 7:30, Emil de Cou conducts "The NSO on Vacation," a travelogue of music by Respighi, Leroy Anderson and John Williams. A children's musical instrument petting zoo opens both nights at 6:30. Call 202-467-4600 or

202-426-0486.

* Thursday at 7:30 at Washington National Cathedral, Wisconsin and Massachusetts avenues NW, as part of the cathedral's Summer Music Festival, the NSO joins the Cathedral Choral Society in Britten's "The Young Person's Guide to the Orchestra," Gounod's "St. Cecilia Mass," Poulenc's Organ Concerto and Ravel's

"Pavane for a Dead Princess." Emil de

Cou and J. Reilly Lewis conduct. Call 202-537-5527.

'I Won't Grow Up'

Cathy Rigby, who first battled Capt. Hook in 1974, opens Tuesday as "Peter Pan" in the Filene Center at Wolf Trap Park, 1551 Trap Rd., Vienna. This production is being billed as her farewell tour in the role of the eternal 10-year-old who flies away to Neverland. The schedule: Tuesday through July 22 at 8, and July 23-24 at 2 and 8. Tickets cost $34 to $65 in-house, $18 on the lawn from Tickets.com. To order, call 703-218-6500 (service charges added); for information, call 703-255-1860.

-- Compiled by Barry Barriere

Jamie Foxx portrays music legend Ray Charles in "Ray" Thursday at Movies Under the Moon.

See blooming waterlilies Saturday at Kenilworth Park and Aquatic Gardens.