A mysterious ruin shrouded in more folklore than fact.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

Three large boulders covered in mysterious carvings and graffiti.

Remnants of the Roman empire's northern frontier nestled in suburban Glasgow.

Water-themed sculptures guard this unusually square structure.

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

This striking monument pays tribute to those who died working the coal pits from the town of Cambuslang.

The only statue ever crafted by award-winning animator Ray Harryhausen.

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

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

This massive, 30-foot-tall statue of the famed Scottish knight overlooks a grassy knoll.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

These upturned herring boats make nifty storage sheds for fishing goods.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

This museum honors the young maritime hero who became an unexpected Victorian-era celebrity.

The sign at the garden gate reads: "These Plants Can Kill."

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This 900-foot structure with 20 arches crossing a Scottish river was built in the late 19th century.

The oldest natural aquarium in the United Kingdom.

The ruins of a 12th-century seaside castle on the southwest coast of Scotland.

Dating back to the 500s, these stones include some of the oldest Christian memorials in Scotland.

Named after a 6th-century saint, who was also a scholar.