This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

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

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

An unusual manor of stunning beauty, born out of a crippling disease.

A site of pagan worship which still attracts people looking for fairies.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

A remarkably intact castle that once was the largest in Ireland.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

A pagan tradition of draping trees with rags eerily lives on.

One of Ireland's most infamous prisons for rebels including men, women and children.

A corkscrew-shaped barn in Ireland.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

The mystery of this small, brick pond eluded its possibly only investigator until his death.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

The ancient tomb acts as a calendar that keeps perfect time.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.