This concrete residential area doubles as an open-air gallery.

Solar observatory doubles as a daring display of Expressionist architecture, much to Einstein's chagrin.

This sprawling Jewish cemetery is one of the largest in Europe.

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

An abandoned train station in Munich constructed for the 1972 Olympic games.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

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

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Retirement home for giant obsolete machines.

This curious sculpture represents the perseverance needed to take to the skies.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

A subterranean display of public art and architecture.

Reminders of the Battle of Berlin still scar the railway.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

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

Go surfing on this urban wave, "hacked" by local surfers.

The "Prussian Versailles" that is as glorious today as when it was built.

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

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

Tiny memorials honor individual victims of the Holocaust.

Thousands of flowers create enchanting pink tunnels over the city streets.

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