This 400-year-old house tells a tale of witchcraft and woodwork.

A replica memorializes the site where women were punished after the last witchcraft trial in Ireland.

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

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

A 12th-century fortress containing some of Berlin's oldest buildings.

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

A wunderkammer of mysterious objects and stories.

The fairy tale castle of the "fairy-tale king."

"The most colorful grottoes of the world.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

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

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The patron saint of spinsters grasps a container of dried blood.

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

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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

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

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

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

An eerie, derelict amusement park in Berlin.

An intricate and amazing house built by architect Karl Junker.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

Local legend says the remains of Father Christmas lie within the medieval grounds.

This beautiful Romanesque church preserves stunning medieval frescoes and the excavations of a Roman market town.