If you’re looking for an unusual place to visit downtown, you just might land in jail. Most people spend their time trying to stay out of jail, but the Old Allegheny County Jail is one that you might want to visit—temporarily anyway. The building dates to 1886 and is listed on the National Register of Historic Places as architecturally significant. It was designed by Henry Hobson Richardson of Boston. It is actually the third courthouse in downtown Pittsburgh. The first was c