A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

The great Danube river starts here.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

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

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This unique Renaissance castle was turned into a home for Nazi occultism.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

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

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

It's believed that this small church was connected to the Hagia Sophia via a secret tunnel.

1513 Turkish world map, full of European state secrets and snarky commentary.

The ornate miniature mansions were built for Istanbul's feathered residents.

A charming and enigmatic sculpture of a lynx haunts the park of Kellinghusen.

The house that took a plunge into the facade of a museum.

This cubist Vienna church building looks like some sort of alien stonehenge.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

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

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

An Orthodox church inside a small "Garden of Eden" built by a man who had a vision.

On high feast days, the entire blue-glass front of this modern church opens up to reveal the small wooden church inside.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.