A ruined Scottish tower house with a laird-turned-fugitive's legend

This 80-foot towering concrete structure, complete with wheel, remains a stark reminder of the coal mining that took place here between 1904 and 1966.

The oldest floral clock in the world still functions today.

A 1,000-year-old oak and one of the last surviving trees of the ancient Scottish Jedforest.

The European Union’s tallest freestanding structure provides radio and television broadcasting to half of Latvia.

This unusual double arched bridge runs over a picturesque Scottish glen.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

An exceptional engineering feat that facilitates the migration of salmon upstream during their breeding season.

The Guinness Record holder as the "tallest cinema in the world" is a building with screens in almost every one of its 12 floors

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

A cottage built at the birthplace of Alexander Selkirk, a sailor who inspired the novel 'Robinson Crusoe.'

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The site of the world's first modern seismometer.

The half-finished remains of what would have been Scotland’s biggest piece of landscape art.

These formal gardens were designed to be admired from the vantage point of the castle.

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

This Neolithic-era complex boasts standing stones, a cairn, and the only henge in Western Scotland.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.

A remarkable feat of Victorian engineering across the Firth of Forth.

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

This artistic fountain display pays homage to this area's theatrical history.