Picturesque ruins once held off mighty armies.

Astonishing rock formations dot the Brimham Moor landscape.

The Bristol Camera Obscura housed in an ancient windmill.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

The oldest working mechanical clock in the world.

Luxurious hotel designed to stir the imagination of its many visitors.

The view from this giant Stone Age toad is unexpectedly beautiful.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

This sculpture is an instrument played by the swell of the seas.

This charming railway is one of the oldest and steepest funiculars in England.

The world's oldest surviving music hall was also once a freakshow.

This 13th century castle is chock full of ghosts and impossibly rare cows.

19th century tunnels burrowed under Liverpool.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

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

Rare collection of medieval books under lock and key.

This 15th century pub is one of only two pubs in England situated on consecrated ground.

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

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