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

An eerie, derelict amusement park in Berlin.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

Floating swimming pool within a moored vessel.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An old department store turned Nazi prison turned artist commune.

A surreal museum of extraordinary industrial objects.

Cold war icon and onetime "hole" in the iron curtain.

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

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

A museum specifically dedicated to the Trabant, one of the iconic automobiles of the GDR.

This watchtower once presided over the Berlin Wall.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

One of the world's heaviest musical instruments towers within a popular urban park.

A historic fire call point.

In the summer of 1957, a massive architectural exhibition showed off the future of urban living in this German neighborhood.

After local authorities changed the design, the building's architect, Le Corbusier, wanted nothing to do with it.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A replica of the Liberty Bell rang daily from West Berlin's City Hall throughout the Cold War.

A wunderkammer of mysterious objects and stories.

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

Super-heavy Nazi architectural experiment.