Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

This one-room schoolhouse in rural Arkansas dates to the 1920s, but looks like it could be the 1820s.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

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

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

This historic theater's pipe organ still accompanies silent films just like it did in 1929.

This former mining town was named the most toxic town in America.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

This museum located in the "Corn Cob Pipe Capital of the World," chronicles the history of cob pipe.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

European castle ruins in an American state park are actually the product of death and grief.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

This mosaic-covered bar is brimming with curated curios.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This spectacular track has run continuously since 1882.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

All that remains of this abandoned coal town is a beautiful, haunting cemetery.

Legends surround this jagged rock formation in the New Mexico desert.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.