Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A doctor had this large tub carved into rocks to facilitate easier seawater bathing.

The longest staircase lock in Britain.

The recurring nature of this geographic feature might make it unique in the world.

Though it looks like a golf ball teed up for a hit, this hilltop station is actually used to monitor air traffic.

A memorial dedicated to a tragic World War II aviation accident.

One of Scotland's earliest hydroelectric power stations.

A small museum dedicated to the ongoing archaeological works around what is likely Scotland's oldest railway.

A unique art installation located on what was once considered the widest railway bridge in the world.

This abandoned bridge over the River Irvine may be the oldest surviving railway viaduct in the world.

When a missile testing site was proposed near this site in the Outer Hebrides, this statue was commissioned in response.

On a corner of the Ardmeanach peninsula on the Isle of Mull, a 50 million-year-old fossil tree hides in the coastal cliffs.

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

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

The biggest onshore wind farm in the United Kingdom.

This memorial celebrates the legacy of the British-Norwegian resistance movement during World War II.

An impressive piece of infrastructure that seems outsized when considering it serves an island with a population of less than 300.

The fictional birthplace of the Chief Engineer aboard the Starship Enterprise.