Ruins of a once-prized railroad station in New York.

"The country that ate itself."

Nightmarish example of the unintended consequences of weapons testing.

Elaborate series of tunnels where traces of mass suicide are still visible.

One of the largest open-pit copper mining operations in the entire country.

Waterway populated with abandoned projects, including a submarine.

Enormous lake at the bottom of a unique cave system.

World War II bunker still standing on the New Jersey beach.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

San Francisco Bay's ghost town.

The ruined remains of an early hydroelectric dam.

Seller of surplus nuclear research materials.

Final resting place of two dozen New York City harbor ships.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

These Stalin-era industrial 'death traps' hang lifeless above the city

Home of the International Space Hall of Fame.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A natural arch offers panoramic views of Yangshuo's karst hills.

A dangling church built over a Colombian gorge.

The world's most remote permanent settlement on an active volcano.

The oldest inn in England served brew to the crusaders.

Home to more than 13,000 pieces of war memorabilia and military equipment.

These picturesque ruins crumble beautifully into the ocean.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.