The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

At 207 feet, one of the world's longest continuous escalators.

The site of the climactic scene from the classic horror film is now a historic landmark.

This woodland architectural installation acts as a camera obscura for the heavens.

The world's largest model of our planetary system.

A saintly relic hidden in a Prague church basement.

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

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

This single room has survived the centuries with almost no deterioration.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

Europe's second largest ossuary wasn't discovered until 2001.

Macabre astrological automaton clock dating to the late 1400s.