Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

This Scottish bridge seems to compel dogs to leap to their death.

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

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

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

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A site of pagan worship which still attracts people looking for fairies.

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Museum about life, death, and cannibalism in the Stone Age.

A network of concealed passageways lies within a busy London Underground station.

A clock designed to run with perfect accuracy for 10,000 years.

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.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

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

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

The heads of two giant mythological water horses honor Scotland's horselord past.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

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

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