What's Doing

DOG SHOW -- Friday and Saturday 8 to 7, by the Middleburg Kennel Club. More than 1500 dogs in 125 breeds. Parking $5. Oatlands Plantation, on U.S. 15 six miles south of Leesburg. 540-428-8760.

"WORLD OF POSSIBILITIES Disabilities Expo" -- Friday 10 to 5, Saturday 10 to 5 and Sunday 11 to 5. Displays and presentations by vendors of goods and services for people with disabilities. $5. Dulles Expo Center, Willard Road off Route 28, Chantilly. 866-227-4644 or 703-378-0910.

NSO DECORATORS' SHOW HOUSE -- Open Friday and Monday-Thursday 10 to 3, and weekends noon to 5, through Oct. 31. Explore a 13,000-square-foot residence redecorated by dozens of local designers in the annual benefit for the National Symphony Orchestra. $15 in advance, $20 at the door. Children younger than 8 not admitted. Free parking. 9121 River Rd., Potomac. 202-416-8149.

USED BOOK SALE -- Friday 10 to 5, Saturday 10 to 5, Sunday noon to 3. Chantilly Regional Library, 4000 Stringfellow Rd., Chantilly. 703-502-3883.

MOUNT VERNON HARVEST DAYS -- Saturday and Sunday 9 to 5. Storytelling, wagon rides, colonial games, crafts. Estate admission $11, seniors $10.50, ages 6 to 11, $5. At Mount Vernon, at the southern end of the George Washington Memorial Parkway about eight miles south of Alexandria. 703-780-2000.

APPLE FESTIVAL -- Saturday 10 to 2. Apple desserts, crafts, flea market. Emmanuel United Methodist Church, 11416 Cedar Lane, Beltsville. 301-937-7114.

MARYLAND RENAISSANCE Festival -- Open Saturday and Sunday 10 to 7. Crafts displays, entertainment on multiple stages, food vendors and other activities at a 25-acre re-creation of a 16th-century English village. $17, seniors $15, ages 7 to 15 $8, younger free. On Crownsville Road off Route 450, Crownsville. 800-296-7304 or 410-266-7304.

USED BOOK SALE -- Saturday 10 to 3. Chevy Chase Library, Connecticut and McKinley NW. 202-244-4809.

ARTS AND CRAFTS FESTIVAL -- Saturday 10 to 4. About 30 exhibitors. Church of the Pilgrims, 22nd and P NW. 202-387-6612.

USED BOOK SALE -- Saturday and Sunday 10 to 4. Sponsored by the Associates of the American Foreign Service Worldwide at the State Department, 23rd and C NW. 202-223-5796.

CRAFTS FAIR -- Saturday 10 to 5, Sunday 11 to 4, by Northern Virginia Handcrafters Guild. $2. Lee High School, 6450 Franconia Rd., Springfield. 703-573-2277.

WAR OF 1812 MUSTER -- Saturday noon to 4; candlelight program, 6 to 8. Demonstrations, drills, living history portrayals by re-enactors. Day or evening $6, children $4; combination ticket $8, children $6. Sully Historic Site, 3601 Sully Rd., Chantilly. 703-437-1794.

BENEFIT ART AUCTION -- Saturday 6 to 9, for St. John's Community Services. $75. Carnegie Institution, 1530 P St. NW. 202-274-3405.

ANTIQUE CADILLAC SHOW -- Sunday 9 to 3, by the Potomac Region Cadillac-LaSalle Club. About 80 vehicles. Awards ceremony at 3. Capitol Cadillac, 6500 Capitol Dr., Greenbelt. 703-368-2367.

"PAWFEST 2004" -- Sunday noon to 3. Groundbreaking ceremony for renovation project, puppet show, silly pet tricks, obedience training demonstrations. Washington Animal Rescue League, 71 Oglethorpe St. NW. 202-726-2556.

"AN EVENING WITH EDGAR ALLAN Poe," Sunday at 6:30. Readings of Poe stories by Marc Horwitz, discussion with Poe expert Jeff Jerome. Advance purchase $12, ages 8 to 12 $6; at door, $15 and $8. Top of the World Observation Level, World Trade Center, 401 E. Pratt St., Baltimore. 410-837-8439.

"HIGH HEEL RACE" -- Tuesday at 9, cross-dressing contestants in high heels race along 17th Street NW between P and R streets in this annual Dupont Circle community event, starting from JR's Bar & Grill, 1519 17th St. NW. 202-328-0090.

HALLOWEEN FILM -- Thursday at 7, museum aeronautics curator Dik Daso talks about the disappearance of the B-24 bomber Lady Be Good, followed by a screening of the 1969 film "Sole Survivor." Free, but tickets required. Imax Theater, National Air and Space Museum, Seventh and Independence SW. 202-633-2398.

Bazaars/Flea Markets

REDEEMER LUTHERAN PRESCHOOL -- Friday 7 to 9 p.m., Saturday 8 to noon. Baby and child goods. 1545 Chain Bridge Rd., McLean. 703-356-3567.

GOOD LUCK COMMUNITY Center, Saturday 8 to noon. 8601 Good Luck Rd., Lanham. 301-552-1093.

TAKOMA PARK PRESBYTERIAN Church, Saturday 9 to 3. 310 Tulip Ave., Takoma Park. 301-270-5550.

MOUNTAIN VIEW UNITED Methodist Church, Saturday 9 to 3. 11501 Mountain View Rd., Damascus. 301-831-3748.