Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

This 600-year-old home seems to defy physics.

This unique Renaissance castle was turned into a home for Nazi occultism.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

When German-Iraqi relations broke down, this embassy was vacated post haste.

An elevator into the Baltic Sea.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Terrifying derelict military hospital once housed a recuperating Hitler.

Berlin's old airport.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Living trees form the structure of an open-air palace.

Floating swimming pool within a moored vessel.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

This historic stone bridge has an entire neighborhood clinging to its sides.

Super-heavy Nazi architectural experiment.

A 12th-century fortress containing some of Berlin's oldest buildings.

An intricate and amazing house built by architect Karl Junker.

A stairway to heaven, or to nowhere at all.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

This "floating railway" is one of the world's oldest monorail systems.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".