There are lots of theme guides to Pittsburgh focusing on bridges, rivers, etc., and I’ve never given them much thought, but this review of The Steps of Pittsburgh actually caught my eye and I’m intrigued. Rivers, railroads, and many of the usual topics of theme guides are pretty easy to spot once you know they’re there, and frankly many cities have these features. But the staircases along the sidewalks and hills of the cities (over 700 of them – and yes, that’s more than San Francisco) are unusual and hidden, and from the images in the article lead to some very cool photos.