An ancient stone with mysterious origins stands in a residential neighborhood.

The ruins of Scottish sea salt production.

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

This former small-town cinema palace was built with the remains of a luxury liner.

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

This monument dedicated to the legendary American showman can be found in Scotland's largest city.

More than a century old, this cast iron bridge on the Balmoral Estate leads to nowhere.

This small sculpture honors a shuttered bookshop that was the site of a fiery act of protest.

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

A poetic monument to the Scottish Parliament.

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

This tablet indicates where the tragic monarch returned to begin her tumultuous downfall.

Some cheeky plantings brighten an old slipway on Scotland's Firth of Forth.

One of two Irish-style round towers in Scotland, this structure has mysterious origins.

Inside this art museum resides one of Glasgow's most famous musical instruments.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

Unusually, this ancient Iron Age broch has never been excavated.

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

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

A British plaque explains that a house was built using the spoils of the first international golf bet.

This vintage gem is one of the oldest surviving purpose-built movie palaces in Scotland.

FIFA deemed this isolated field one of the most remarkable places to play the sport.

This mundane post marks the old location of the city's main postal hub.

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