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

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

Tiny castle in the middle of the Rhine made you pay to pass.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

Largest illuminated advertisement sign in the world.

A little sculpture with a large wardrobe.

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

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

Twisted buildings adorn the banks of the Rhine river.

A giant bug impaled on a 75-foot-tall needle.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

A beautiful maze marks where three countries meet.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

This collection of solar timekeepers includes the world's first digital sundial.