The abandoned buildings of a hospital that saw most of its activity during the World Wars.

Visible at low tide, this rusting vessel is one of the last surviving examples of the X-Class "Midget" submarines.

A plaque installed underwater marks the fall of a royal family from an imagined parallel universe—part of a globe-spanning art project.

This 15th-century structure had a long, tortuous journey to its current location.

Wander around the extensive remains of this 12th-century medieval church.

The former seat of power for the Balliol dynasty.

A 16th-century castle unexpectedly nestled within a post-war housing development.

These quaint cottages feature built-in signaling devices for fishermen.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

The artwork is tucked within a cave on a tiny Scottish island only accessible at low tide.

The rusting remnants of a flying boat lie scattered near the site of its fatal crash.

The ruins of a defunct limestone quarry still haunt this Scottish promontory.

Fifty years of contamination in Scotland's waters.

An abandoned, desolate train tunnel that was used during World War II.

This castle resides in a valley known for immense bloodshed during the Middle Ages.

Nestled atop a wind-swept crag in the Scottish Highlands is a lonely memorial to a beloved hiker.

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

These skilfully executed, poignant works of art dot a verdant Scottish dell.

These mysterious religious carvings were once thought to be thousands of years old but are actually the work of modern eccentric.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

The building where Mary, Queen of Scots was said to have bathed in white wine.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

This stately bank building hides a spectacular star-studded ceiling.

It's a mystery how these curious columns wound up in an Edinburgh suburb.