Semi-precious Blue John stones have been mined in this cavern system for centuries.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The curious and tiny collection contains some very odd objects.

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Go surfing on this urban wave, "hacked" by local surfers.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The remains of the great moral philosopher reside in a university in London.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

These strikingly barren, rolling red hills were caused by bad farming practices.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Final resting place of John Middleton "The Childe of Hale."

Giant statue of a disembodied head.