This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

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

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

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

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

A popular swimming hole that hides one of America's most deadly diving spots.

The world's largest squirrel statue clutches a pecan bigger than your head.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.