One Last (After) Halloween Bar Crawl: The Clarendon Halloween Crawl is 2 to 9 p.m. Saturday and features 12 bars, including Arlington Rooftop, Spider Kelly's and IOTA Club & Cafe. Cost: $15 advance, $20 at the door. More info here.
Day of the Dead Celebration: The Arlington Arts Center will host its 10th annual Dia De Los Muertos — or, Day of the Dead — Celebration at 6 p.m. Friday. It'll feature dancing, a live mariachi band, Mexican hot chocolate and "bread of the dead" — plus, an exhibition featuring 12 artists. Free. A workshop for teens starts at 4:30 p.m. The Arlington Arts Center is at 3550 Wilson Blvd. More info here.
Dining to Stop Diabetes: La Tasca, the tapas restaurant, and the Pentagon City California Pizza are among restaurants that will donate a portion of their proceeds to the American Diabetes Association in November. So, starting Friday, eat for a good cause.
Scenes from U.S. 17: In November, Gallery Underground in Crystal City features the photographs of Catherine Powers. The exhibit features photos taken along the 1,100-mile U.S. Highway 17, which covers swamps, beaches, small villages, military towns and historic communities. More info here.
Novemberfest: The Neighborhood Restaurant Group is hosting a smaller version of its monstrous Snallygaster beer festival Saturday, Nov. 2 outside Rustico on Slaters Lane in Alexandria. Novemberfest, which will run from noon to 5 p.m., will feature more than 50 stouts, porters, hopped IPAs, pumpkin ales and much more selected by NRG beer maestro Greg Engert. Admission is $5 at the door and it includes a Novemberfest can koozie while supplies last. More info here.