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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Described by William Wordsworth as a "World of Wonder."

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The most northern place on the mainland of Great Britain.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

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

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

Giant naked man on a hillside.

Scotland still bears an enormous scar of its Roman past.

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

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

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

Andrew Carnegie funded the building of almost 3,000 libraries across the world, this was the first.

A once extravagant mansion, now reduced to ruin.

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

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

These murals stand as reminders to the troubled history of this Northern Ireland city.