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

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

Town not known for anything except its strange name.

A large stone map of Arkansas awaits visitors to its highest point.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Hunting trophies decorate Oregon's most unique bar-restaurant.

The magic's in the hole!

Tens of thousands of tiny birds swarm into one school chimney every fall.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A Roman-style column in Oregon hides a spiral staircase inside.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

100-year-old shipwreck you can walk up to at low tide.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

Rustic natural hot springs in the deciduous rain forest.

Shoreline strewn with the remains of ghostly fallen trees.

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

An ice cream parlor chain that caters to vegans and pinball fans equally.

A giant Troll lurks under one of Seattle's oldest bridges.

A beautiful final resting place for some of the noteworthy deceased.

One of the only cooperatively owned bars in the nation wears its eclectic history on its walls.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.