Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

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

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

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

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

A modern English garden of eccentric beasts, follies, and oddities.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

Repository for more than 22 million pickled specimens.

London's old-school healing garden.

A subterranean playground in an abandoned slate mine.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

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

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.