A taste of the macabre Tokyo's ritzy shopping district.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

An ancient necropolis of magnificent tombs.

Cat art as far as the eye can see.

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A Jenga-style cylindrical tower of books that appears to go on forever.

Two stunning 17th-century libraries and a cabinet of curiosities.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

An ancient artistic garden parlor full of hidden water wonders.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Large Hadron Collider and the Birthplace of World Wide Web.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.