What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Living trees form the structure of an open-air palace.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

A stairway to heaven, or to nowhere at all.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

When the rain falls, this drain system turns into a musical instrument.

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

"The most colorful grottoes of the world.

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

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

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

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

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

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Art and a pun, all in one.

A wunderkammer of mysterious objects and stories.

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

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

The fairy tale castle of the "fairy-tale king."

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

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

The world's second largest single-dish radio telescope, once used to contact E.T.