What's Doing

What's Doing

"A NORWEGIAN CHRISTMAS" Exhibits and model train displays open daily during station hours through Jan. 7. Norwegian-American bazaar, Friday 10 to 7, Saturday 9 to 3. Union Station, 50 Massachusetts Ave. NE. 202-289-1908.

CHRISTMAS AT OATLANDS Tour the 19th-century Greek revival mansion decorated for the holidays. Open weekdays and Saturdays 10 to 4 and Sundays 1 to 4, through Dec. 30 (closed Christmas Eve and Christmas Day). $10, seniors $9, ages 6 to 16 $7, younger free. Oatlands Plantation, 20850 Oatlands Plantation Lane, Leesburg. 703-777-3174.

HOLIDAY BOUTIQUE AND GREEN SALE Friday 8 to 5. Landon School, 6101 Wilson Lane, Bethesda. 301-320-3200.

BENEFIT SHOW HOUSE Open Friday 10 to 3, Saturday 10 to 5, Sunday noon to 5, Wednesday-Thursday 10 to 3. $20 in advance, $25 at door, for National Multiple Sclerosis Society. At 2003 Rockingham St., McLean; park at Chesterbrook Club, 1812 Kirby Rd., McLean. 703-241-4544.

CHRISTMAS MARKETPLACE Friday 10 to 5, Saturday 9 to 5. Gift boutique, seasonal wreaths and greens. Campagna Center, 418 S. Washington St., Alexandria. 703-549-0111.

FESTIVAL OF TREES Friday-Saturday 11 to 5, Sunday-Tuesday 11 to 7, Wednesday- Thursday 11 to 5. Displays of 130 decorated trees available for silent auction. $6, seniors $4, ages 2 to 12 $2, younger free. A benefit for Hope House. Fredericksburg Expo and Conference Center, 2371 Carl D. Silver Pkwy., Fredericksburg. 540-371-4886.

GARDEN SHOW Friday 2 to 5, Saturday 10 to 4. Emmanuel Episcopal Church, 101 W. Washington St., Middleburg. 540-687-4242.

MOUNT VERNON BY CANDLELIGHT Fridays, Saturdays and Sundays 5 to 8 through Dec. 10. Tour the first president's last home by candlelight, including the usually closed third floor, concluding with caroling and refreshments around a campfire. $15, ages 11 and younger $8. Advance purchase recommended. At Mount Vernon, at the southern end of the George Washington Memorial Parkway. For candlelight tour tickets, 202-397-7328; for information, 703-780-2000.

MCLEAN HOUSE TOUR Saturday 9:30 to 3:30. Tour four private homes decorated for the holidays. $20 in advance, $25 on tour day. Sponsored by the Woman's Club of McLean to benefit community charities. Purchase tickets at Mesmeralda's, 1339 Chain Bridge Rd. McLean. 703-356-0089.

BILINGUAL BOOK FAIR through Dec. 10. Saturday and Sunday 10 to 5, Monday-Thursday 8 to 7:30. Displays of books in English and Spanish, book signings, author talks. Oyster Bilingual Elementary School, 2801 Calvert St. NW. 202-671-3111.

ALEXANDRIA HOUSE TOUR Saturday 11 to 4. Visit six private homes decorated for the holidays. $25 in advance, $30 Saturday. Purchase tickets at Campagna Center, 418 S. Washington St., Alexandria. 703-549-0111.

HERNDON HOMES TOUR Saturday 11 to 5, tour private homes in Herndon decorated for the holidays. $15. Begin at Herndon Depot Museum, 717 Lynn St., Herndon. 703-437-7289.