The world's first time capsule lies behind a welded steel door in Atlanta.

An abandoned water park overtaken by the dunes.

The watery grave of an impractical idea.

270 million year-old forest of stone.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

It might not be as impossible to reach as its name would imply, but just about.

An abandoned guano-mining city in the South Pacific.

Grotesque statues of figures from Buddhist hell haunt the temple's Sin Park.

Legend says these stone structures are where the doomed citizens of a vanished village sent themselves to die.

A remote forest of stone pillars along the Lena river.

Site of the largest impact event to occur over land in Earth's recorded history.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

This abandoned-looking amusement park is frighteningly open for business.

130 replicas of world wonders squeezed into just 118 acres of space.

The world's largest statue of Mao Zedong looks out over the city where he discovered Communism.

9,000 years of carnal history is on display at China's original Museum of Sex.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

This abandoned fishing settlement may well be the greenest village in the world.

This ratty natural history collection is a charming relic among a city rushing into modernity.