These "bridges" help confused bats cross the road.

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

A circle stone within a stone circle.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

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

400-year-old garden, restored to beauty.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

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

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

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

These mysterious mazes carved on the rock may be up to 4,000 years old.

A unique waterfall that some believe attracts the fairfolk.

The world's largest collection of witchcraft regalia.

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

The remains of the concrete ship can be seen during low tide.

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

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

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

A vortex fountain that seems to rise out of the ground.

These legendary stone steps were once used to haul coffins up the rockface.

The unusual stilted beacon is the town's only active lighthouse.

This museum inside a museum tells the story of London's timepieces.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.