A museum dedicated to a Cold War era sausage.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

Largest illuminated advertisement sign in the world.

A steam powered train that runs on city streets.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

Model Trains and Much More in Hamburg.

Enter the cabin of a life-sized Hindenburg replica.

Hamburgers are intensely proud of their tunnel beneath the river.

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

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

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

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A fascinating insight into daily life in the Eastern Bloc.

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

Nordic giants resurrected from the sea and restored to their former greatness.

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

A symbol for the opposition to nuclear power around the world.

Though it may look like a businessman's lost luggage, this case suspended under a highway bridge is actually a contemporary art installation.

This artistic fountain display pays homage to this area's theatrical history.