A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Britain's only herd of free-ranging reindeer.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

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

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

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

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

A pagan tradition of draping trees with rags eerily lives on.

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

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

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.

Spend the night in this formerly abandoned traditional Scottish village.

The fountain marks the area where hundreds of accused witches were burned at the stake.

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

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

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

This amateur-built East African church with mismatched towers is an architectural abnormality.

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

Despite being of the most short-lived republics in history, this small Chilean town won’t forget its two days of independence.