A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

A quaint Russian village in the middle of a German metropolis.

It's always summer at the beach inside this former airship hangar.

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

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

The prototype for all Nazi concentration camps.

A museum dedicated to a Cold War era sausage.

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

An intricate and amazing house built by architect Karl Junker.

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

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

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

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

Art and a pun, all in one.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

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

A slice of central Asia in the middle of Berlin.

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

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

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

An eerie, derelict amusement park in Berlin.

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

Quality time with reindeer in the stunning scenery of their natural Lappish habitat above the Arctic Circle.