Museums are an obvious place to find art but not in this way. Several DC museums are open after hours on specific nights and times. This is the second year the museums have joined the ranks of nightlife clubs and it’s a popular thing. Tickets sell out in advance. Here’s the story, Mingling at the Museum, with the details of which museums are participating their website links. If you’re looking for more artwork that’s not usually on view, try going behind the scenes. Many museums have archived artwork in storage that can be viewed, as seen as an example here at the New York Historical Society. You don’t have to…