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

A wunderkammer of mysterious objects and stories.

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

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

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

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

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.

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

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

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.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

This 600-year-old home seems to defy physics.

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

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

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

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

The first plantation museum in the United States to focus on the lives of enslaved people.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

A miscalculation turns a very shallow freshwater lake into a very deep saltwater lake.

This sinkhole was created by a tragic industrial accident and continues to ravage the surrounding landscape.

The above-ground crypts at this Catholic cemetery face north-south instead of the usual east-west.