The National Museum of Crime & Punishment's hours have been updated recently on their VISITicket.com listing.

The National Museum of Crime and Punishment is one of a number of popular Washington DC museums included in the Washington DC Power Pass.

About the Washington DC Power Pass attractions pass:

The Washington DC Power Pass entitles you to free entry to museums and tours in the Washington DC area. Washington DC Power Passes are available in 1, 2, 3, and 5 day durations.

Visit the Washington DC Power Pass official website for more information about this Washington DC pass for attractions.

A complete list of popular Washington DC attractions participating in the Washington DC Power Pass is also available on the Power Pass site.