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.

GREEK FOLK FESTIVAL -- Friday 11 to 11, Saturday 10 to 11, Sunday 11 to 11. Traditional music, dancing, crafts, foods. St. Nicholas Greek Orthodox Church, 520 S. Ponca St., Baltimore. 410-633-5020.

MOUNTAIN HERITAGE CRAFTS Festival -- Friday, Saturday and Sunday 10 to 6. On Job Corps Road off U.S. 340 between Harpers Ferry and Charles Town, W.Va. 800-624-0577.

RUMMAGE SALE -- Saturday 9 to 2. College Park United Methodist Church, 9601 Rhode Island Ave., College Park. 301-345-1010.

RUMMAGE SALE -- Saturday 9 to 2. St. Mary Orthodox Church, 7223 Roosevelt Ave., Falls Church. 703-280-0770.

STRAWBERRY FESTIVAL -- Saturday 10 to 3. Strawberry desserts and other foods, crafts, children's activities. Sponsored by the Ann Arrundell Historical Society at Benson-Hammond House, on the grounds of BWI Airport, 7101 Aviation Blvd., Linthicum. 410-768-9518 or 410-544-2616.

CIVIL WAR ENCAMPMENT -- Saturday 10 to 5, Sunday 10 to 4. Living history portrayals by the 54th Massachusetts Infantry and other reenactors, music, demonstrations of Civil War-era medical techniques. St. Elizabeth's Hospital, 2700 Martin Luther King Jr. Ave. SE. 202-645-9770 or 202-645-8845.

ANTIQUES SHOW -- Saturday and Sunday 10 to 5. About 100 booths $6. Maryland Soccerplex, 18031 Central Park Circle, Boyds. 301-216-0876.

ARTISTS MARKET -- Sunday 10 to 5. Displays by about 30 artists and crafts artisans. Bethesda Place Plaza, 7700 Wisconsin Ave., Bethesda. 301-215-6660.

BENEFIT BRUNCH -- Sunday 11 to 2, for the Inova Alexandria Hospital's Neonatal Intensive Care Unit. $25 to $50. Union Street Public House, 121 S. Union St., Alexandria. 703-370-6798.

"CRYSTAL CITY ROCKS" -- Sunday 1 to 5. Entertainment by DaVinci's Notebook and Big Bad Voodoo Daddy, food tastings from neighborhood restaurants. A benefit for Community Residences of Arlington. Crystal Square, 2121 Crystal Dr., Arlington. 703-228-1850.

"AFTERNOON DELIGHT" -- Sunday at 3, a concert by Tom Paxton, refreshments, silent auction. $25 in advance, $35 at the door. A benefit for Neurofibromatosis Inc. Mimi's American Bistro, 2120 P St. NW. 301-577-8984.

"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.