A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

This gnarled old tree supposedly sprouted from seeds kept in the pocket of a 16th-century Spanish sailor.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

Modern megaliths form this work of cosmic, Celtic landscape art.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

The ruins of a medieval seminary some say is the oldest university site in Scotland.

Perhaps the only prehistoric monument with its very own public bus stop.

An enigmatic natural rock formation with a manmade passage cut through the center.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

This witch statue remembers a time in England's history when fear trumped truth.

The remains of centuries of copper mining appear like an alien landscape.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

This Cheshire museum has cuckoo clocks, a rare pipe organ and vintage motorbikes. But mostly cuckoo clocks.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

A peace symbol in Northern Ireland is among the world's largest hedge mazes.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

This shell of a historic manor house on the Isle of Wight is said to be the most haunted site on the island.