Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

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

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

A beautiful medieval bridge allegedly constructed by the Devil.

At high tide this strange footbridge appears to have no purpose whatsoever.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

Museum about life, death, and cannibalism in the Stone Age.

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".

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

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

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.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

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

A fantastic castle rumored to be the birthplace of King Arthur.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.