The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

"Where the ducks walk on fish."

There aren't too many operational funiculars around, but Pittsburgh has two!

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.