If you need a break from the "free" (taxpayer-funded), "patriotic" (statist) museums dotting Washington, D.C., check out The Mansion on O Street.
Located in a series of converted row houses in the Dupont Circle neighborhood, the museum is, in both form and function, a glowing tribute to messy consumerist spontaneity. Inside the museum, you'll find not neat, curated exhibits, but a long series of rooms connected via "secret" doors. Each contains an assemblage of "artifacts" ranging from 1980s TV Guides to a cognac made during Louis XIII's reign.