This museum is the coolest! Art by outsider artists galore. They basically have one large themed show per year (and several smaller shows) so I recommend you try to go at least once a year. This is a “don’t miss” attraction when you’re in Baltimore. It’s located right on the Inner Harbor and easily accessible. 3 stories including a cafe. There’s also a really good Cuban bar within walking distance. They also have a kinetic sculpture race once a year with sculptures designed to float on the water (past floats have included a giant pink poodle!). Their museum shop is great as well (with lots of kitschy stuff similar to that at La Luz de Jesus Gallery in L.A.).