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

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

Outsider art meets paleontology at this roadside reptile repository.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

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

An abandoned meat mecca now serves as an excellent locale for urban exploration.

This massive blockhead sculpture hides an entire library.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

An eclectic trailer park retreat in the middle of the California desert.

An eerie, derelict amusement park in Berlin.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

Northern Ireland's church-turned-skate park.

New York's oldest magic store.

One of the largest, oldest, darkest, quietest motel rooms in the world.

World's smallest skyscraper, the product of a remarkable con.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

World's first "penitentiary," meant to be humane, drove men insane.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

A small flooded ghost town with a few scattered structures remaining.

A toxic ghost town sitting atop a massive coal fire.

Amelia Earhart's possible place of death.

A bizarre house filled with an astounding array of collections.