The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

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

A historic arboretum and non-conformist, non-denominational park cemetery.

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.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

The decaying ruins of Wales' first asylum for the mentally ill.

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

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

Accessible only at low tide, the deserted island is dotted with World War II ruins.

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

A subterranean playground in an abandoned slate mine.

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

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

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

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

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

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

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

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

Spend the night in this formerly abandoned traditional Scottish village.

A unique waterfall that some believe attracts the fairfolk.

The largest greenhouse in the world is home to over one million types of plants.