Bronze plates placed around this Scottish fishing village form a true-scale model of the solar system.

The remains of a 19th-century carving of what was to be a signal light on the Firth of Forth Estuary.

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

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

A site of pagan worship which still attracts people looking for fairies.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

Aside from denoting a public square or market, this medieval structure was also a sign of a town's prosperity.

A curious structure built just for the birds.

The departure point for the first return flight across the Atlantic.

These ruins of a medieval church are full of architectural mysteries.

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

The ruins of the second of three churches dedicated to the saint in a touristic Scottish town.

This tiny island is home to the world's largest colony of Northern gannets.

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

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

The small Scottish townhouse where the "Father of the National Parks" was born.

This 19th-century monument served an important purpose for fishermen thanks to its built-in barometer.

This Scottish bay still reveals evidence of its days as a seaside swimming pool.

At high tide this strange footbridge appears to have no purpose whatsoever.

A remnant of the Roman army's presence on the coast of Scotland.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A stone-filled garden in the heart of Edinburgh commemorates the father of modern geology.

A small island dotted with old, historic Finnish buildings.

These Finnish rapids have been attracting tourists for over a hundred years and are now released with the push of a button.