A open air theatre built on a cliff by an eccentric British woman.

A scattered trail of street art adds a pop of color to the city's stark structures.

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

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

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

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A subterranean playground in an abandoned slate mine.

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

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

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

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

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

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