A remarkable cabinet of curiosities in an art space in the center of Berlin.

A towering monument to war, located on a beautifully peaceful hill.

Puppet theater and museum holding a collection of more than 300.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

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

The most visited, and possibly most controversial, museum in Germany.

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

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

An eerie, derelict amusement park in Berlin.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

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

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

Microscopic scenes; some call it novelty, some call it art.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This artificial cave looks like something out of a fairytale.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A Jenga-style cylindrical tower of books that appears to go on forever.