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

The mystery of this small, brick pond eluded its possibly only investigator until his death.

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

A glacial pothole was once a hideout for a notorious Scottish outlaw.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

Stalin's prisoner-built rail line sits in ruin, never having a single car ride its tracks.

The USSR’s Conquest of Nature lead to the domestication of many moose—no squirrel.

A small part of Russia that does not touch any other part of Russia.

Abandoned castle was once a grand example of Russian privilege, built exclusively to win a frivolous bet between noblemen.

Nightmarish example of the unintended consequences of weapons testing.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

A little church on a tiny island looks like something from a fairy tale.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Stunning examples of Russia's 18th-century wooden architecture.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

The oldest Jewish cemetery in Southeast Asia is a monument to a disappearing community.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.