Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

The only presidential monument to display a late POTUS's actual casket.

The angel of death appears to weep black tears at this grave marker.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

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

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

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

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.