A haunting deserted hotel is a favorite with artists and photographers.

These massive moving sand dunes have swallowed an entire village and are still on the run.

What was once an underground Nazi city is now Europe's largest bat reserve.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Dive bar built out of the remains of a whaling ship.

The drama of nature in full effect in this Nevada State Park.

The wild west is still alive and well at this authentic mining town watering hole.

The rocks in this arid basin leave trails of movement behind them.

An eatery for UFO seekers on the Extraterrestrial Highway.

Odd outsider art installations surround a Gold Rush-era ghost town.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

The largest collection of two headed animals in the world.

An offbeat angle on the ocean viewed through an antiquated lens.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

One of the most unusual geological features, recognizable from a dozen hit movies.

The liveliest ghost town in the state.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

A part of the world's largest marsh seems to be growing bright red Martian grass.