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

The only diamond mine in the world where you can keep what you find.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

The cruel trial of a 13-year-old boy inspired the creation of this now abandoned reformatory.

The wooden house where the jazz great learned to play the piano.

Replica of an old Esso filling station, complete with Wayne gravity pump and outhouse.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

This abandoned sea fort has become an accidental bird sanctuary.

Largest Roman Catholic church in North America.

Eighteen miniature death-scene dioramas.

Rare recess caves fill this unbelievably beautiful Ohio park.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

This former asylum for Black Americans is haunted by its history of violence and racism.

The remains of the oldest synagogue in Britain lay forgotten for seven centuries, hidden under a humble shop.

The most isolated mailbox in America lets desert travelers record their passing.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.