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

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

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

The world's biggest pet store.

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

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

One of the only spherical 19th century gas containers left today.

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

Oberweissbacher Bergbahn - a broad-gauged cable car capable transfering railcars.

This historic stone bridge has an entire neighborhood clinging to its sides.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

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

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

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.

These 18th century gardens tell a rocky story of the son of Odysseus.

A simple tribute to the microscopic arachnid that gives its juices and its life to help make a speciality German cheese.

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

A Neolithic celestial calendar standing in a nondescript wheat field.

Retirement home for giant obsolete machines.

A steam powered train that runs on city streets.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Ride a dragon train into a world of dwarves.

This unusually shaped mountaintop tower looks like a UFO floating over the city.