Architectural & engineering firms compete to design & build enormous objects made from canned foods. The result, "Canned Art" exhibit which opens today. Teams are judged on "best use of labels," "best meal," "structural ingenuity" & "jurors' favorite," cans will be donated to NYC Food Bank; NY Design Center, 200 Lexington Ave. (betw. 32nd & 33rd Sts.), 679-9500; 9-5, adm. is a can of food [through 11/23].
DALE VS. BOY SCOUTS OF AMERICA
Former gay Boy Scout, James Dale gives a talk at Lesbian and Gay Community Services Center, 1 Little W. 12th St. (Hudson St.), 620-7310; 6:30-9:15, $8.
Support groups for people who suffered early mother loss; 614-8047 to register.
ANTIQUES ROAD SHOW
Kathleen Guzman answers questions regarding collecting & appraisal at the 92nd St. Y to; 1395 Lexington Ave. (92nd St.), 996-1100; 9:30-11 a.m., $18 incl. breakfast.
A CENTURY OF ELEGANT DECADENCE
The Baroness' 4th annual midnight latex fashion show?dress coed enforced; Decade, 1117 1st Ave. (bets. 61st & 62nd Sts.), 946-1776 or www.baroness.com; 9-4, $50, $30 adv.
FALL ANTIQUES SHOW
Sanford Smith's 21st annual show at Park Ave. Armory, Park Ave. (67th St.), 777-5218; 12-9, $12 [repeats Fri. 12-9, Sat. 11-7 & Sun 12-6].
GREAT AMERICAN SMOKE OUT
Nationwide event that focus on smoking prevention, sponsored by American Cancer Society; 1-800-ACS-2345 for info.
MILLENNIUM SALON EXHIBITION
Weekly salon gathering, this week, celebrate millennium diversity with works by 40 photographers; Mary Gearhart Gallery, 252 Mott St. (betw. Houston & Prince Sts.), 941-0057; 6-9; free.
THE NEW YORK HALL OF SCIENCE GALA
Annual awards ceremony; 47-01 Flushing Meadows Corona Park, 718-699-0005, 6:30, $500 & up.
THE ROLLING STONES: BOB GRUEN PHOTOGRAPHS
Exhibit of Gruen's photographs of rockstars, incl. Mick Jagger & Keith Richards; Great Modern Pictures, 17 W. 24th St. (B'way), 242-2581; 10-6, free [through 1/9].
THE STATE OF FASHION
Designers, photographers & illustrators reveal new works for the millennium?price incl. reception, exhibit & open bar; Altman Bldg., 135 W. 18th St. (betw. 6th & 7th Ave.), 290-0312; 7:30, $40.
Black tie pre-holiday party & wine tasting feat. tattoo exhibit, & demonstrations by Mean Street Tattoo; South St. Seaport, 207 Front St. (South St.), 278-8610 or 748-8733, 6:30-9:30, $75, $65 adv.
CONVERSATIONAL SPANISH GROUP
Weekly meetings held near NYU; 397-0949 for info; 6.
FRIDAY NIGHT FIGHTS
Once-a-month open fight night feat. best amateur boxers from NY & surrounding areas, weigh-ins completed by 7 p.m. Tonight, "Championship Professional Muay-Thai Boxing;" Church St. Boxing Gym, 25 Park Pl. (betw. Church St. & B'way), 571-1333; 7:30, $15.
Parties for big, beautiful women & men, & the men & women who love them; China Cafe, 205 Pearl St. (Maiden Lane), 718-456-9119; 9-3, $20.
NY BOOK FAIR
Annual fundraising event offers more than 20,000 books, calendars & videos; Goddard Riverside Community Center, 593 Columbus Ave. (88th St.), 873-4448; 10-6, $5, $2 child. [repeats Sun. 12-5].
NYC RECORD & CD COLLECTORS CONVENTION
Embassy Ballrooms, Holiday Inn, 440 W. 57th St. (betw. 9th & 10th Aves.), 973-773-6067; 10-4, $6.
PUERTO RICAN FOLK ART FAIR
Third annual fair celebrates Puerto Rican Herritage Month; Henry St. Settlement, 466 Grand St. (Pitt St.), 598-0400; 11-6, $5 kids, child. free [repeats Sun. 11-6].
recordS fLEA MARKET
Thousands of LPs, 45s, 78s & v-discs; 155 W. 72nd St. (B'way), 579-0689; 10-2, free.
SINGLES UPBEAT SOIREE
Introductions, buffet, conversation & drinks; Penthouse at Sutton Pl. Suites, 300 E. 58th St. (betw. 1st & 2nd Aves.), 718-875-3878 res. req.; 9:30, $38.
SWEETS IN THE CITY
Dance to music by The Flying Neutrinos while drinking & sampling baked goods, benefits Planned Parenthood of NYC; Altman Bldg., 135 W. 18th St. (betw. 6th & 7th Ave.), 274-7377; 9-1, $85, $75 adv.
CNN media analyst Jeff Greenfield speaks with writer Arianna Huffington about upcoming presidential election; 92nd St. Y, 1395 Lexington Ave. (92nd St.), 996-1100; 7:30, $20.
ISRAELI FOLK DANCING
Rikuday Dor Rishon hosts traditional dancing at Bridge for Dance, 2726 B'way (104th St.), 620-0535; 8, $5.
NYC CAMERA SHOW & SALE
New & used cameras & equipment; Embassy Ballrooms, Inn on W. 57th, 440 W. 57th St. (betw. 9th & 10th Aves.), 973-472-5460; 10-3, $6.
COUNTRY LINE DANCE
Lessons & music by Pure Country & Tennessee Mountain; 121 W. 45th St. (betw. 6th Ave. & B'way), 869-4545; 6:30-11, $10.
FRIENDLY FRENCH CONVERSATION GROUP
Moderate & advanced French speakers gather to read & chat; 54 Carmine St. (betw. Bedford & Bleecker Sts.), 914-776-7723; 7, free.
Study group convenes to discuss Samuel Yellen's American Labor Struggles, 1877-1934; Radical Women, 32 Union Sq. E., rm. 907 (16th St.), 677-7002; Mon. at 6:45, $3.