Steaming blood-red hot spring from hell.

The 10,000 Torii shrine.

An artist's cute bronze subway sculptures belie his violent artistic past.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Little Red Lighthouse under the George Washington Bridge.

This simple home was the beginning of a long journey for the iconic Western film star.

Urban explorers embraced America's now demolished first suburban mall, south of Chicago.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

This striking art museum holds an amazing series of curiosity cabinets.

20,000 pieces in a Frank Gehry-designed building.

A curious sculpture garden and museum in Cochrane, Wisconsin.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This is not your typical jungle gym.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

What is the Thing?

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

A miniature world of concrete and stone in Springfield, Ohio.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.