Outsider art meets paleontology at this roadside reptile repository.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

Kentucky's longest operating jail is now a spooky spot to spend the night.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

Disused penal colony features prisoner artwork, some sketched in human blood.

This Costa Rican topiary park is a surreal garden of unearthly delights.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

An old department store turned Nazi prison turned artist commune.

Art and a pun, all in one.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

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

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

Faces carved into the cliffs create an otherworldly walking trail.