One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

The world's smallest movie theater runs on solar power—an attraction in itself.

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

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

A tiny, heartwarming piece of art hiding in plain sight.

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

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

A mysterious ruin shrouded in more folklore than fact.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

Glasgow’s piece of the patron saint of love.

One man spent 10 years building a spectacular section of road because no one else would.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

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

Scotland's only funicular railway is also the United Kingdom's highest.

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.