Mentioned by Busy Tourist
68 Best & Fun Things To Do In Washington, DC
"This subterranean comedy club has an awesome atmosphere that you won’t find anywhere else in Washington, DC. As you might expect from an underground building, it features a lot of dark walls and dimly-lit alcoves, but it gets filled with so much laughter that it never feels gloomy. Instead, there’s a warm, almost cozy atmosphere as the comedians take the stage."