A curious structure built just for the birds.

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

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

One of the most spectacular 18th-century bridges in Scotland.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

This remote Scottish cave has been a site of Christian pilgrimage for many centuries.

An amazing model of a whale's jaw bone pays homage to the region's seafaring traditions.

An ancient stone wall formed by lava that was a frequent stop during funeral marches.

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

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

Soviet intelligence had a keen interest in the Cold War linguistic school at this old Scottish airfield.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

A small stone pillar marks the spot where Mary, Queen of Scots, spent her final hours as a free woman.

Now in ruins, this abbey was the home of Tironensian monks for more than 400 years.

A monument honoring 81 residents of this Scottish town who were executed for witchcraft in the 16th century.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

This carved memorial is dedicated to the miners who died working in the town's collieries.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

This Arcadian garden in the Pentland Hills boasts over 270 artworks by Scottish artist and poet, Ian Hamilton Finlay.

The medley of artwork tells the history of this Scottish town.

This Scottish castle has witnessed clan rivalries, Jacobite uprisings, whisky smuggling, and more.

Journey through one of the oldest industrial sites in Scotland.

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