According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

Take a walk in a recreation of ancient Rome.

This small gallery nestled inside an old botanical glasshouse is a quiet place to enjoy art and nature.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

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

This monolithic slab of art metal crowns a German slag heap.

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

Largest illuminated advertisement sign in the world.

This former steel and coal plant is now a neon-lit industrial fantasia.

An electrical pylon under whose legs a normal gauge train can run.

Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.