This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A unique waterfall that some believe attracts the fairfolk.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

A subterranean playground in an abandoned slate mine.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This overlooked street light once served as a KGB dead letter box.

In the depths of Glasgow Cathedral's crypt, one pillar stands out from all others.

Scotland's oldest purpose-built concert hall houses an incredible collection of ornate, centuries-old keyboards.

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

From here, the loch appears to take the shape of mainland Scotland.

A carved bench marks the Scottish cave that inspired the classic adventure novel "Treasure Island."

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

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

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

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Britain's only herd of free-ranging reindeer.

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

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

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

360° views of the city plus five floors of optical illusions and hands-on science.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.