A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Locals call this magical moss-covered walkway the "Emerald Path."

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

Pennsylvanian mass grave and possibly mass murder.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

An underground magnet for ever-changing street art.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

The site of the climactic scene from the classic horror film is now a historic landmark.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

An emporium for the weird, creepy, rare, and just plain gross.

This replica of the Greek structure is in the heart of Nashville.

Live long and prosper in Tennessee.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

The beauty of urban decay, hiding some dark secrets.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.