Largest illuminated advertisement sign in the world.

A ruined castle stands atop a hill surrounded by dragon lore.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

This ornate Weser Renaissance house was also the home of an infamous witch hunter.

An intricate and amazing house built by architect Karl Junker.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

Take a walk in a recreation of ancient Rome.

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

A beautiful maze marks where three countries meet.

The tallest mountain in mainland Netherlands isn't actually very tall.

A former customs station on the border of Germany and the Netherlands.

Twisted buildings adorn the banks of the Rhine river.

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

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

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

An industrial relic is now one of Europe's most staggering art spaces.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

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

Former Gestapo prison turned memorial museum.