It's always summer at the beach inside this former airship hangar.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

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

"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.

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

A striking 12th-century-style castle built on the edge of a cliff.

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

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

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

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

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

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

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

A slice of central Asia in the middle of Berlin.

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.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

The first (but not only) upside-down house in Germany.

An elevator into the Baltic Sea.