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

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

A collection of artworks exclusively created by the mentally ill that was almost burned by Nazi culture police.

In this truly magical place, rent hasn't been raised since the year 1520.

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

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Floating swimming pool within a moored vessel.

These 18th century gardens tell a rocky story of the son of Odysseus.

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

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

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

A stairway to heaven, or to nowhere at all.

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

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

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

"The most colorful grottoes of the world.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An intricate and amazing house built by architect Karl Junker.

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

Terrifying derelict military hospital once housed a recuperating Hitler.

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

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

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

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.