A stone wall that mysteriously moved three feet from its foundation.

A magnificent, iconic stone tower in the Scottish Highlands.

A sweet symbol marks the place where torturous executions were once carried out.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

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

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

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

A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

An optical Illusion once believed to be an electrical phenomenon.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

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

Certain traditions prevail on the least-visited island of the Aran Islands.

A hugely vast Irish landscape of barren rock that stretches for miles.

Huge standing stones mark a site of megalithic mystery.

Glasgow’s piece of the patron saint of love.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Wallabies live naturally on this Irish island.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

Legend says this cave housed a 16th-century cannibal and his family of 48.