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

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

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

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

This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

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

A magnificent tomb that was the final resting place of the Dukes of Hamilton.

A watering hole from the late 1800s in the heart of the Campsie Fells.

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

Three large boulders covered in mysterious carvings and graffiti.

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

This former World War II artillery defense site was built to guard the industrial city of Glasgow.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

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

The abandoned transportation hub hides within the Glasgow attraction it once served.

A leafy, peaceful oasis nestled in the heart of Glasgow's busy south side.

A secret door leads to this cozy dive that sells only “milk.”

This collection of historic puppets honors centuries of the craft.

This astronomically-aligned stone circle was the first of its kind to be built in Great Britain after a 3,000-year hiatus.

The oldest house in Glasgow is now a museum dedicated to the city's medieval history.

This ancient holy well is older than much of the city that surrounds it.