The Going Out Guide recommends free things to do for every day of the week.
Bring a guest to Sports Club/LA's Blu Café for the gym's first Thanksgiving celebration, complete with wine tastings and appetizers from the Curious Grape in Arlington. You also can enter to win two tickets to the Washington Capitals and New Jersey Devils game on Dec. 21.
6 p.m. Sports Club/LA, 1170 22nd St. NW. 202-974-6609. www.dc.sportsclubla.com. Reservations required.
Heard about Penn Social's fun games and drink deals, but never checked it out for yourself? Form a team and compete in the District Trivia league for a chance to win $1,000. Plus, there's a $4 DC Brau special, and afterwards you can play Giant Connect Four, cornhole or any of the board games in Penn Social's collection.
7 p.m. Penn Social, 801 E St. NW. 202-697-4900. www.pennsocialdc.com.
The Capital City Showcase variety show takes the stage at Wonderland Ballroom with performances by musician Rachel Levitin, burlesque artist Aurora Wells and comedians Randy Syphax, Brandon Wardell and Tim Young.
8:30 p.m. Wonderland Ballroom, 1101 Kenyon St. NW. 202-431-4704. www.thewonderlandballroom.com.
Work off some of that turkey and pie with swing dance lessons from Tom Koerner and Debra Sternberg of Gottaswing, and a dance party featuring music by the Tom Cunningham Orchestra and swing dance icon Jean Veloz. Guests are encouraged to wear vintage clothes or military dress.
6 p.m. Kennedy Center Millennium Stage, 2700 F St. NW. 202-467-4600. www.kennedy-center.org.
History buffs should take advantage of No Admission November at the Lee-Fendall House Museum & Garden in Alexandria. Built in 1785, the house was home to the Lee family, the Downham family and labor leader John L. Lewis. It also served as a hospital for Union soldiers from 1863 to 1865, and artifacts and images from those years can be viewed in the museum's "Beyond the Battlefield: The Lee-Fendall House as Civil War Hospital" exhibit.
10 a.m. to 4 p.m. Lee-Fendall House Museum & Garden, 614 Oronoco St., Alexandria. 703-548-1789. www.leefendallhouse.org.
Join professional pranksters Improv Everywhere on the Mall and be part of the New York-based "prank collective's" MP3 Experiment tour. Intrigued? Download, but do not listen to, the MP3 on Improv Everywhere's Web site. Then, show up on the Mall on Saturday with a small bottle of bubbles and wearing a red, blue, yellow or green shirt. The event is being hosted by the National Museum of Natural History's new interactive experience center, Q?rius. Be sure to get there early. The experiment will begin promptly at noon.
Noon to 1 p.m. The Mall, between the Natural History Museum and the Smithsonian Castle. www.improveverywhere.com.
Get in the holiday spirit with this Hanukkah concert by the National Gallery of Art Piano Trio, which will perform works by Ernest Bloch, Solomon Rosowsky, Joachim Stutschewsky and others.
6:30 p.m. National Gallery of Art, West Building, West Garden Court, Fourth Street and Constitution Avenue NW. 202-737-4215. www.nga.gov.