A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

The only surviving prototype for Buckminster Fuller's house of the future.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

An abandoned bait shop with a front lot filled with storage boxes.