Enter the cabin of a life-sized Hindenburg replica.

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

An industrial relic is now one of Europe's most staggering art spaces.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

Retirement home for giant obsolete machines.

This former steel and coal plant is now a neon-lit industrial fantasia.

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

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

Berlin's old airport.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

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

Super-heavy Nazi architectural experiment.

No need to strap in for a “ride” on this walkable roller coaster.

A museum dedicated to a Cold War era sausage.

This "floating railway" is one of the world's oldest monorail systems.

A fascinating insight into daily life in the Eastern Bloc.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

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

The most visited, and possibly most controversial, museum in Germany.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The gutted remains of this Estonian mansion are a monument to a tragic love.

This abandoned fighter jet launch center is now a haunting street racing course.

The Guardian of Tallinn.