The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

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

Grotto replete with mystical designs laid out in glued shell mosaics.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

This little museum in the town where zombies were born celebrates the living dead.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Even after the church tried to wipe the practice out, this pagan festival lives on each year in a small Scottish village.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

A curious collection of mechanical moving figures.

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

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

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

This Scottish bridge seems to compel dogs to leap to their death.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This series of Scottish caves has no clear purpose other than baffling historians.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A church that bred legends, and served as an inspiration for the Da Vinci Code.