The Going Out Guide recommends free things to do for every day of the week.
Day of the Dead altar
Before it's taken down, check out the Mexican Cultural Institute's Day of the Dead altar, which is dedicated to the late Juan Garcia de Oteyza, the institute's former director. The altar is up until Friday, and groups are welcome.
Noon-6 p.m. Mexican Cultural Institute, 2829 16th St. NW. 202-728-1628. www.instituteofmexicodc.org.
'Nothing's More Interesting Than Reality'
In celebration of FotoWeek DC, the Smithsonian American Art Museum hosts a discussion with photographer Mary Ellen Mark. Mark's work has appeared in LIFE, Rolling Stone and other publications and includes portraiture, photojournalism and advertising photography.
6:30 p.m. Smithsonian American Art Museum, McEvoy Auditorium, Eighth and F streets NW. 202-633-7970. www.americanart.si.edu.
M. Night Shyamalan
You probably know director M. Night Shyamalan for his films "The Sixth Sense," "Signs" and "Lady in the Water." But did you know he's also an author? MSNBC's Chris Matthews will interview the filmmaker at Politics and Prose, and Shyamalan will sign copies of his book "I Got Schooled: The Unlikely Story of How a Moonlighting Movie Maker Learned the Five Keys to Closing America's Education Gap."
7 p.m. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919. www.politics-prose.com.
Need a few laughs? "Airplane," the 1980 disaster-movie parody featuring Leslie Nielsen, Robert Hays and Kareem Abdul-Jabbar, screens at the Library of Congress' Packard Campus. It's an oldie but goodie.
7:30 p.m. Library of Congress, Packard Campus, 19053 Mount Pony Rd., Culpeper. 202-707-5840. www.loc.gov.
If you're a fan of K-Pop or just interested in learning more about Korean pop culture, head to George Washington University for a forum in which speakers - including Billboard columnist Jeff Benjamin - discuss its future and influence in the United States. The event also will feature performances by K-Pop cover group CoCo Avenue and entertainer Dave Yoon.
6:30 p.m. George Washington University, Jack Morton Auditorium, 805 21st St. NW. 202-587-6168. www.koreaculturedc.org.
Neighborhood Toy Store Day
As part of the American Specialty Toy Retailing Association's nationwide effort to recognize neighborhood toy stores, Barstons Child's Play stores in the District, Rockville, Arlington and McLean will host activities for children age 5 and older, including face painting, craft projects and more. Free Lego building kits will be given out to children while supplies last.
10 a.m.-12 p.m. Barstons Child's Play, 5536 Connecticut Ave. NW. 202-244-3602. www.barstonschildsplay.com.
Pop-up sewing class
Here's an opportunity to brush up on your sewing skills. Seamstress Chris Cooper will lead a sewing workshop on how to make a tote bag, and all supplies will be provided free. Register online.
1:30 p.m. Southeast Neighborhood Library, 403 Seventh St. SE. 202-445-4403. www.projecttissue8.com.