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

The prototype for all Nazi concentration camps.

An elevator into the Baltic Sea.

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

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

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

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

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

An intricate and amazing house built by architect Karl Junker.

Super-heavy Nazi architectural experiment.

"The most colorful grottoes of the world.

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

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

This "floating railway" is one of the world's oldest monorail systems.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A stairway to heaven, or to nowhere at all.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

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

A collection of abandoned typographic signs from Berlin and beyond.

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

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.