This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The world's largest wooden structure.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

Glasgow’s piece of the patron saint of love.

This single-track road rewards brave drivers with stunning Scottish scenery.

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

Enter the world under the hill at this ancient UK burial chamber.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

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

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

An American ghost town hides along a side street in Scotland's capital.

A fernery hidden by neglect is uncovered, and an ancient specimen along with it.

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.

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

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

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

Possibly the oldest living thing in Europe, more likely a pagan survivor.

The final resting place of soldiers' loyal canine companions.

A sweet symbol marks the place where torturous executions were once carried out.

Britain's only herd of free-ranging reindeer.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.