The most loyal of little dogs, or a Victorian era publicity stunt?

A church that bred legends, and served as an inspiration for the Da Vinci Code.

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

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

A pagan tradition of draping trees with rags eerily lives on.

These fantastically named natural pools look like something out of a Scottish myth.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

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

A pub that is literally in the middle of nowhere, but continues to do business.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

A memorial to a dog that inspired rioting in the streets of London.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

The taxidermied remains of a once-great parrot.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.