This picturesque archeological site looks like it was pulled straight from a fantasy novel.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

Legend says this cave housed a 16th-century cannibal and his family of 48.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

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

An American ghost town hides along a side street in Scotland's capital.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

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

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

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

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

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

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

Spend the night in this formerly abandoned traditional Scottish village.

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

This sculpture celebrates a boules tournament and the link between Leeds and its twin city Lille.

In a small courtyard resides this large mural that draws inspiration from Leeds and its history.

Probably the smallest museum in the world, housed in a disused phone booth.

What looks like missing grout is actually an old pub's peephole.

The UK's oldest theme park slowly slips away.

Blaxhall's burgeoning boulder can't help putting on a few extra stones.

Unusual British home built to disguise a water tower.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.