A unique waterfall that some believe attracts the fairfolk.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

The stately remains of Llywelyn the Great's mighty fortress.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A subterranean playground in an abandoned slate mine.

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

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

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

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

Largest lake in Great Britain measured by surface area.

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

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.