What's DoingMOTOR TREND INTERNATIONAL Auto Show, Friday 10 to 10, Saturday 10 to 10, Sunday 10 to 7. Displays of new automobiles, specialty vehicles and concept cars from more than 30 manufacturers. $9, seniors $6, ages 7 to 12 $4, under 7 free. Baltimore Convention Center, 1 W. Pratt St., Baltimore. 410-649-7144.

BABY BAZAAR -- Saturday 9 to 1. Used baby and children's goods. Lake Marion Community Center, 8821 E. Village Ave., Gaithersburg. 301-948-8082, Ext. 21.

MODEL TRAIN SHOW -- Saturday and Sunday 10 to 4. Operating layouts, dealer tables. $7, ages 6 to 12 $2, under 6 free. Prince George's Equestrian Center, 14900 Pennsylvania Ave., Upper Marlboro. 410-795-7447.

ANTIQUE AND COLLECTIBLES SHOW -- Saturday 10 to 5, Sunday 10 to 4. About 160 booths of furnishings, memorabilia, books, accessories, etc. Autograph sessions with actors Jamie Farr, Soupy Sales and Mark Goddard. Admission $5. Montgomery County Fairgrounds, Route 355 and Mannakee Street, Gaithersburg. 301-216-0876.

HEALTH & BEAUTY EXPO -- Saturday 11 to 5. Displays, demonstrations and seminars by vendors of health-related products and services. $5. McLean Community Center, 1234 Ingleside Ave., McLean. 703-790-0123.

CHINESE NEW YEAR FESTIVAL -- Saturday and Sunday noon to 5. Lion dancers, folk dancing, exhibits commemorating Chinese New Year. Center Court, Lake Forest Mall, Route 355 and Perry Parkway,n Gaithersburg. 301-840-5840 or 301-530-1314.

ART FAIR -- Saturday 1 to 8. Works by nine artists. Barcroft Community House, 800 S. Buchanan St., Arlington. 703-892-6065.

BENEFIT ART FAIR -- Saturday at 7:30. $15. Temple Solel, 2901 Mitchellville Rd., Bowie. 301-249-2424.

BRIDAL SHOW -- Sunday noon to 4. Displays by about 40 vendors of wedding-related products and services. $10. Fauquier Springs Country Club, 9236 Tournament Rd., Warrenton. 540-347-4414.

MEET "ABE" -- Thursday at 9:30, 11 and 12:30, Robert Gleason portrays President Abraham Lincoln. White House Visitor Center, 1450 Pennsylvania Ave. NW. 202-208-1631.

WASHINGTON BOAT SHOW -- Thursday noon to 9:30, and continuing through Feb. 17. Displays of power and sail boats and related goods and services. $9, ages 6 to 12 $4, under 6 free. Washington Convention Center, Ninth and New York NW. 703-823-7960.