This foreboding medieval castle was twice besieged by barons rebelling against the English king.

A Neolithic burial site built 1,000 years before Stonehenge.

These picturesque ruins crumble beautifully into the ocean.

Perhaps the only prehistoric monument with its very own public bus stop.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

400-year-old garden, restored to beauty.

This antique prison is a tourist attraction with a sordid past.

Cornish legend says these ancient circles were people turned to stone for playing hurling on a Sunday.

How did this lovely seaside English village come by such an unusual name?

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

A unique journey back in time to an early 20th-century fairground.

Britain's oldest and biggest hole in the ground.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

A fantastic castle rumored to be the birthplace of King Arthur.

A unique waterfall that some believe attracts the fairfolk.

The world's largest collection of witchcraft regalia.

A quirky "castle" formerly belonging to a famous British inventor.

A writer's tiny retreat built from salvaged shipwreck timbers.

An octagonal folly tower overlooking the sea.