The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.

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

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

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

Memorializing an American tragedy of massive proportions.

Steepest flood safety railway in the entire world.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

This dramatic rail curve was once the target of a failed Nazi attack.

The first archaeological site discovered by aerial photography.

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

Remnants of a quarry company town still stand on the banks of the Wapsipinicon River.

Thousands of bottles that have held everything from poison to perfume make up the collection of this small museum.

An annual festival celebrating Colorado's most famous frozen corpse.

One of the few surviving Panama Canal steam shovels stands outside a tiny Colorado mining museum.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

A reproduction of earth's many biomes.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

The Bong-area park police have asked visitors to please, stop stealing the signs.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.