A lush indoor jungle fills this bustling Madrid transportation hub.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

An abandoned train station in Munich constructed for the 1972 Olympic games.

This TV tower once secretly housed a GDR intelligence team.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

An abandoned swimming pool decays on the outskirts of Berlin.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

The abandoned military base looks like a post-apocalyptic wasteland.

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

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

A Wild West jailhouse that slid down the mountainside.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.