Version of the French Riviera destroyed by the sea.

Ancient rock-hewn town that witnessed key events of Georgian history.

A nude beach alongside a washed-out road.

Concrete strongholds stand guard over the Golden Gate.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A field of nothing but boulders which resembles a giant's gravel driveway.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

The ghost town that ended up on Ebay.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

One of the largest Native American shell middens stands 30 feet tall.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The most isolated mailbox in America lets desert travelers record their passing.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

An abandoned fishing village in pre-oil Qatar.

An abandoned stretch of highway, deteriorating next to the operational one.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A long abandoned hospital building on the outskirts of NYC.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.