A meow-velous tribute to a beloved street cat, made famous on the internet.

A magical place that lets you play in and explore the world of Studio Ghibli.

Climb to the top of this windmill for a scenic panorama and up-close look at wind energy production.

The mountaintop wind turbine boasts a viewing deck — and a fair share of controversy.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A museum dedicated to a Cold War era sausage.

Super-heavy Nazi architectural experiment.

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

Art and a pun, all in one.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

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

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.

This classic restaurant features a gorgeous mirror-clad room.

A surreal museum of extraordinary industrial objects.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

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

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

Video games, body language, and postal history are all on display in this Swiss museum.