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

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

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

This German bone house contains the remains of some 20,000 souls.

A German apartment building hosting as many trees as human occupants.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

This conical hill was built as a testing ground for an engineer known as the Glider King.

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

A stairway to heaven, or to nowhere at all.

"The most colorful grottoes of the world.

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

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.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Ruins of a German Castle on top of a towering stone pillar.

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

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

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

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