A restaurant and observation deck built in a unique broadcasting antenna.

Terrifying derelict military hospital once housed a recuperating Hitler.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

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

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

Super-heavy Nazi architectural experiment.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

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

"The most colorful grottoes of the world.

An intricate and amazing house built by architect Karl Junker.

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

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

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

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

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

A collection of abandoned typographic signs from Berlin and beyond.

Ruins of a German Castle on top of a towering stone pillar.

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

A surreal museum of extraordinary industrial objects.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

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

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

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

An eerie, derelict amusement park in Berlin.