An emerald-green grotto just a short trip from Austin.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

Turns out you can see the world without ever leaving Maine.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

The so-called "world's shortest river" is actually a window into a cave.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

Part ski resort, part modern art space, this lodge brings giant metal spiders and bloody doors to the Austrian Alps.

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

The longest navigable underground river in the United States is home to countless blind and albino animals.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

All that's left of the quintessential "cabin in the woods."

An old department store turned Nazi prison turned artist commune.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

In its continuing quest to recreate famous parts of the world in miniature, China now has its own ghost Paris.

This incredible Chinese theme park may be the largest bootleg in history.

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

This conical hill was built as a testing ground for an engineer known as the Glider King.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.