What's Doing

LIVE BUTTERFLY SHOW -- Open daily from 10 to 4, through Sept. 18. Butterflies fly freely in an indoor garden of nectar plants. $4.50, ages 3 to 12 $3.50. Brookside Gardens, 1800 Glenallan Ave., Wheaton. 301-962-1400.

"NANTUCKET ON THE SEVERN" -- Designer show house, open Friday and Saturday 10 to 5, Sunday noon to 5, Thursday 10 to 5, through June 26. Tour the waterfront property redecorated by 11 interior designers. $20, for the Anne Arundel Medical Center DeCesaris Cancer Institute and the Hospice of Chesapeake. 517 Scrimshaw Lane, Severna Park. 443-336-0873 or 410-279-4088.

QUILT SHOW -- Friday 10 to 6, Saturday 10 to 6, Sunday 11 to 5. Displays of hundreds of quilts and related goods by Quilters Unlimited of Northern Virginia. $7. Dulles Expo Center, Willard Road off Route 28, Chantilly. 703-242-8732.

MEMORIAL CEREMONY -- Friday at 11 a.m., commemorating the Battle of Midway. U.S. Navy Memorial, 701 Pennsylvania Ave. NW. 202-737-2300.

GREEK FESTIVAL -- Friday 11 to 10, Saturday 11 to 10, Sunday noon to 9. Traditional entertainment, foods. St. Katherine Greek Orthodox Church, 3149 Glen Carlyn Rd. Falls Church. 703-671-1515.

POLISH HERITAGE FESTIVAL -- Friday 4 to 10, Saturday and Sunday noon to 10. Entertainment, crafts, food vendors. Friday $3, Saturday-Sunday $4. Patterson Park, Eastern and Linwood avenues, Baltimore. 410-879-6336.

FLEA MARKET -- Saturday 9 to 3. Nativity Catholic Church, 6008 Georgia Ave. NW. 202-726-6262.

APPALACHIAN CRAFTS FAIR -- Saturday 9 to 3. Burke United Methodist Church, 6200 Burke Centre Pkwy., Burke. 703-250-6100.

FLEA MARKET AND CAR SHOW -- Saturday 9 to 3. North Bethesda United Methodist Church, 10100 Old Georgetown Rd., Bethesda. 301-530-4342.

"GARDENER'S DAY AT HILLWOOD" -- Saturday 10 to 2. Gardening exhibits and talks, family art activities. $15, ages 6 to 18 $5. Reservations required. Hillwood Museum & Gardens, 4155 Linnean Ave. NW. 202-686-5807.

"WINGS AND WHEELS FOR SIGHT" -- Saturday 10 to 4. Displays of antique and classic cars, motorcycles and airplanes; demonstrations of remote-controlled cars and aircraft; moon bounce and other children's activities; food vendors. $10 per car. A benefit for Maryland eye-related medical charities. At Bay Bridge Airport on Kent Island, off U.S. 50 near Annapolis. 410-643-4364.

"ROMAN DAYS" -- Saturday and Sunday 10 to 4. Living history encampment depicting military and civilian life in ancient Rome. $4, ages 4 to 18 $2. Marietta House Museum, 5626 Bell Station Rd., Glenn Dale. 301-464-5291.

"CELEBRATION OF TEXTILES" -- Saturday 10 to 4, Sunday 1 to 4. Exhibits, workshops and hands-on activities for all ages. Textile Museum, 2320 S St. NW. 202667-0441.

SHEPHERDSTOWN LAWN and garden tour, Saturday 10 to 4, Sunday 11 to 3. Walking tour of public and private gardens, gardening advice, arts and crafts vendors, refreshments. $18; purchase tickets at the War Memorial Building in Shepherdstown. 304-876-9249.

USED BOOK SALE -- Saturday 10 to 4. Tysons-Pimmit Library, 7584 Leesburg Pike, Falls Church. 703-790-8088.

AGRICULTURE OPEN HOUSE -- Saturday 10 to 4:30. Exhibits about agricultural research, petting zoo, hayrides, games, food vendors. Beltsville Agricultural Research Center, 10300 Baltimore Ave., Beltsville. 301-504-9595.

CRAFTS FAIR -- Saturday and Sunday 10 to 5. Jefferson Ruritan Center, U.S. 340 at Lander Road, Jefferson, Md. 240-422-2581 or 301-639-7603.

FREDERICK FESTIVAL OF THE ARTS -- Saturday 10 to 7, Sunday 11 to 5. Entertainment on two stages, crafts fair, children's activities, food vendors. $6. In downtown Frederick; enter at gates at East Patrick and East streets, East and All Saints streets, and Wisner Street at Carroll Creek. 301-694-9632.

"BOWIEFEST" -- Saturday 11 to 6. Entertainment on three stages, crafts fair, food vendors. Allen Pond Park, 3330 Northview Dr., Bowie. 301-809-9705.

HERITAGE DAY -- Saturday 11 to 7. Dancing, demonstrations and talks by Virginia Indian tribes, living history portrayals, music, food vendors. $4, ages 4 to 15 $2. Lake Accotink Park, 7500 Accotink Park Rd., Springfield. 703-324-8563.

ARMENIAN FESTIVAL -- Saturday noon to 6. Traditional entertainment, crafts, food vendors. Market Square, 301 King St., Alexandria. 703-883-4686.

AMERICAN INDIAN FESTIVAL -- Saturday noon to 6, Sunday noon to 5. Native American dancing, music, crafts, foods. $8, children $5. American Indian Cultural Center, 16816 Country Lane, Waldorf. 301-372-1932.

FLEA MARKET -- Sunday 10 to 4. Sponsored by the Palisades Georgetown Lions Club at Wachovia Bank parking lot, MacArthur Boulevard and Arizona Ave. NW. 202-537-0385.

CARDBOARD BOAT REGATTA -- Sunday at 2; boat judging at noon. Contestants float or sink in their home-made cardboard watercraft. Parking $4. Lake Accotink Park, 7500 Accotink Park Rd., Springfield. 703-324-8563.

"EXTRAVALOOZA '05" -- Sunday 4 to 8. Family-oriented music, games, snacks. A benefit for the National Children's Museum. $50, ages 3 to 17 $25, younger free. Ronald Reagan Building and International Trade Center, 1300 Pennsylvania Ave. NW. 202-772-0431.

"TWILIGHT TATTOO" -- Wednesdays at 7, through June 29. A military pageant and drills by the U.S. Army Third Infantry, Fife & Drum Corps, Drill Team and Army Band musicians. On the Ellipse, south of the White House. Free. 202-685-4989.