Two plaques commemorate the site of Shakespeare's first theatre.

This luxury shopping lane has been protected by its own tiny police force for over a century.

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

The quiet field that inspired one of the most famous songs of all time.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

This shell of a historic manor house on the Isle of Wight is said to be the most haunted site on the island.

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

The world's oldest model village.

This stream-carved gorge has inspired poets, hidden smugglers, and trained soldiers, all without losing its beauty.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

Cliffs full of fossils at the portal to England's Jurassic Coast.

19th century tunnels burrowed under Liverpool.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

The largest known medieval map of the world.

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

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

Collection dedicated to brands, packaging and advertising.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.