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

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

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

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

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

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

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

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

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

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

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

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

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

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.

English antique dealers with a taste for the unusual.

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

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

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

Abstract dinosaur models in London.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

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