A giant snail sculpture looking longingly at the German traffic museum.

The highest cold-water geyser in the world.

What appears to be an ordinary bridge is actually a rare aqueduct.

This fountain tucked away in a park is the focal point of the only "Green Basilica" in Germany.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

This former Soviet military base has over 10 original aircraft and an enormous amount of memorabilia on display.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

A Saxony castle houses one of the largest and most outstanding mineral collections in the world.

These beautiful objects represent beautiful ideas.

This peculiar museum offers hands-on interaction with seemingly intangible principles of mathematics.

This extremely narrow tenement boasts a maximum occupancy of just two.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

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

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

A German town is growing a building out of trees.

A series of haunting wooden totems are hidden in the woods surrounding a German environmental center.

At this unusual park, domes, ladders, chairs, and more are made from trees.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

Solar observatory doubles as a daring display of Expressionist architecture, much to Einstein's chagrin.

A meteorite-bounded town in Bavaria.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."