The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

At the United Kingdom's only residential library you can sleep among the books.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A mocking tribute to the past and modern leadership of Prague.

This artificial cave looks like something out of a fairytale.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

Macabre astrological automaton clock dating to the late 1400s.

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

This sprawling Jewish cemetery is one of the largest in Europe.

Rising from the sea like a stone monster.

The atmospheric road was never meant to be so creepy.

Famously misunderstood wonder of the ancient world

Enormous lake at the bottom of a unique cave system.

The world's largest collection of witchcraft regalia.

A giant Troll lurks under one of Seattle's oldest bridges.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.