This underwater graveyard commemorates a group of murdered 16th-century missionaries.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

This beach runway is off limits during high tide.

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

Possibly the oldest living thing in Europe, more likely a pagan survivor.

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

Where the sleeping monsters of Scotland's oil industry are left to rust.

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

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

A magnificent, iconic stone tower in the Scottish Highlands.

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

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

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

Fifty years of contamination in Scotland's waters.

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

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

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

Built to hold the worst of the worst of the Nazi war prisoners.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

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

A 200-year-old collection of oddities and medical paraphernalia.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

Hidden in a Scotland museum is a copse of extinct tree stumps.