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

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

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

Art and a pun, all in one.

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

A slice of central Asia in the middle of Berlin.

This platform is now a memorial dedicated to those who were deported during the Holocaust.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

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

Started as a kitchen garden, now the second largest botanical garden in the world.

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

Berlin's old airport.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

Super-heavy Nazi architectural experiment.

An eerie, derelict amusement park in Berlin.

This monumental work of art symbolizes the coming together of a previously divided city.

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

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

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.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

An unofficial monument to the late King of Pop sits at the base of a Renaissance composer's statue