One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

This old abandoned sign flickers to announce a motel that isn't even there.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

This unattributed sculpture in Amsterdam is hiding in plain sight.

Ruins of a once-opulent grand Victorian resort.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A school-themed restaurant where gastronomy is the core curriculum.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

A medieval castle in the middle of rural Texas.

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

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

The land is home to swimming ponies and a legendary 18th-century treasure.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A Civil War Museum with some notable medical antiques.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This abandoned sea fort has become an accidental bird sanctuary.

An astounding collection of medical specimens, including bits of President Lincoln.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.