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

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

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

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

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

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

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

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

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.

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

This hidden green space is the city's second largest conservatory.

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

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

Artists and musicians now rule over this former rail station.

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

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

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

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

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

A subterranean playground in an abandoned slate mine.

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

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

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