A brush maker used his factory to protect blind Jews from the Gestapo.

Tiny memorials honor individual victims of the Holocaust.

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

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

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

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

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

A monument to the man who almost killed Hitler.

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

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Puppet theater and museum holding a collection of more than 300.

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

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

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

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

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

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

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

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.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

This haunting monument honors the victims of 9/11.

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

Filled with history, this cemetery is maintained each summer by a few hungry goats.