A secret door leads to this cozy dive that sells only “milk.”

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

This enchanting hill is home to fairy lore and a sinister local mystery.

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

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

A library where thousands of books explain how to avoid another Great Recession.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

This 16th-century house tells the city's history through old artifacts and quirky tales.

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

The mystery of this small, brick pond eluded its possibly only investigator until his death.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Largest lake in Great Britain measured by surface area.

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

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

Britain's only herd of free-ranging reindeer.

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

A scattered trail of street art adds a pop of color to the city's stark structures.

This modern labyrinth lies in the shadow of a ruined medieval castle.

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.