The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

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

A modern English garden of eccentric beasts, follies, and oddities.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

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

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

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

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

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

Surreal riveted sea forts once protected the Kent shores from German attack.

Spend the night in this formerly abandoned traditional Scottish village.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Northern Ireland's Brobdingnagian stepping stones.

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

The sign at the garden gate reads: "These Plants Can Kill."

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

These fantastically named natural pools look like something out of a Scottish myth.