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

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

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

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

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

The world's biggest pet store.

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.

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

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

The monumental home of Prussia’s eccentric "Cannon King."