The world's largest military aircraft cemetery.

The world's largest ship graveyard is the product of decades of corruption.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

A massive underwater sinkhole made famous by Jacques Cousteau.

An isolated dive site teeming with cnidarians.

A monument to the defenders of the Arctic in Murmansk, Russia.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

The most disputed archipelago in the world.

Surreal riveted sea forts once protected the Kent shores from German attack.

A 550-square-meter micro-nation off the coast of Britain.

One of only two civilian settlements in the desolate lands of chilly Antarctica.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

Try not to get slimed in Tribeca.

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

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

At 207 feet, one of the world's longest continuous escalators.

Two islands just 4 km apart separated by an International Border and Date Line.

The world's northernmost aquarium looks like it has fallen over.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.