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

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

An elevator into the Baltic Sea.

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

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

Terrifying derelict military hospital once housed a recuperating Hitler.

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

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

An intricate and amazing house built by architect Karl Junker.

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

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

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

A small but immensely extravagant palace built by the "Night King."

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

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A collection of abandoned typographic signs from Berlin and beyond.

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

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

A slice of central Asia in the middle of Berlin.

This classic restaurant features a gorgeous mirror-clad room.

A surreal museum of extraordinary industrial objects.

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

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