World's first "penitentiary," meant to be humane, drove men insane.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

Live chainsaw carvings of tiki statues aim to keep a tradition with ancient roots alive in this small Delaware town.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

A statue of the English poet for whom this Delaware town is named is ritually dressed in seasonally appropriate clothing.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A modernist landscape of water and sci-fi concrete.

Yo, Adrian!

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

This secluded walking trail is a hidden gem of a Pittsburgh park.

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

One of the few working locomotive roundhouses in the United States.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Home of the only civilian casualty at the Battle of Gettysburg.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A retrofuturistic art installation in the Pittsburgh Airport.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

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

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

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

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

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