A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

An unusually shaped lighthouse with origins rooted in heartbreak.

This 1,300-year-old marker is one of the finest and most complete early Christian crosses in Scotland.

This remote Scottish isle is only inhabited by seals, birds, and the memory of a tragic settlement.

This once-majestic, now-abandoned Victorian castle has seen better days.

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

FIFA deemed this isolated field one of the most remarkable places to play the sport.

This beach runway is off limits during high tide.

The rusting remnants of a flying boat lie scattered near the site of its fatal crash.

The highest lighthouse in Scotland shines from an abandoned island.

The ruins of a medieval seminary some say is the oldest university site in Scotland.

Spend the night in this formerly abandoned traditional Scottish village.

A magnificent, iconic stone tower in the Scottish Highlands.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

A failed infrastructure project now owns this unique moniker.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

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

In Faroese legend, this sinister horse-shaped beast lures unsuspecting passersby only to drown them in the lake.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

Despite finally receiving electricity in 1970, this tiny town is now deserted.