A monument to the man who almost killed Hitler.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

One of downtown Berlin's last reminders of its Communist past.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

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.

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

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

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

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

Super-heavy Nazi architectural experiment.

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

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Where once there was a train station bathroom, there is now this German burger joint.

A fascinating insight into daily life in the Eastern Bloc.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The most visited, and possibly most controversial, museum in Germany.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

A wunderkammer of exoticism immortalized by Tom Waits.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A replica of the straw hut where Vladimir Lenin lived in hiding, disguised as a hay farmer, in 1917.