Austria's very first and only nuclear power station was completed but never used.

Swirling layers of white and red rock earned these mountains their festive nickname.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

You can walk up Thailand’s naturally non-slip waterfall.

Bell tower juts out from a village buried under a lake.

Where beer lovers can literally immerse themselves in beer.

The world's oldest known salt mine.

American soldiers discovered Europe's best one-liner at the end of World War II.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

Two planes stand abandoned after the closure of an aircraft-themed restaurant.

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

An abandoned bell tower in the middle of nowhere is the last testimony of a forgotten medieval village.

What happens when you cross a mayor and a painter?

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chernobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This derelict superstructure was a very important warning system for the Soviet military.

A visionary precursor to the Internet made of index cards.