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

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

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

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

The largest stone circle in the world has ended up bringing up more questions than it has answered.

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

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

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 pagan tradition of draping trees with rags eerily lives on.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

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

A subterranean playground in an abandoned slate mine.

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

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

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

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

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

An incarceration museum on the spot of possibly the oldest prison in England.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This series of Scottish caves has no clear purpose other than baffling historians.

Remnants of a Victorian garden feature sitting in public woodland.

Hear the quietest sound from across the dome.