Tiny memorials honor individual victims of the Holocaust.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

The final resting place of many of Germany's most famous communists.

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

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

A monument to the man who almost killed Hitler.

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

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.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

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.

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

Berlin's old airport.

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

A restaurant and observation deck built in a unique broadcasting antenna.

Floating swimming pool within a moored vessel.

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.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.