This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

This attraction was abandoned after the Chernobyl disaster.

Napoleon’s home in exile, decorated with poisonous wallpaper.

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

An abandoned relic of the city's failed experiment with below ground transit.

A huge monument to a bizarre book written by Turkmenistan’s longstanding dictator.

Sumptous memorial to a controversial independence.

Fascinating early attempt at a Jewish autonomous settlement.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

A bizarre collection of gifts to North Korean dictator Kim Jong Il from the despots of the world.

Rusting ships sit in a desert where a sea used to be.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

North Korea's massive "hotel of doom."