The Museum of Fortress Architecture

Tourists flock to visit Baltimore's Inner Harbor. Have a look at what protects them from the city just behind the harbor:







It's so easy to beat up on Baltimore for this sort of thing, but Pratt Street really is like a museum of fortress architecture, with few doors, imposing, windowless concrete facades, wide, one-way streets, half a dozen skywalks, and enough bollards to derail an invasion of tanks.