The world's second largest single-dish radio telescope, once used to contact E.T.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This quirky shop on a former farm is full of weird and wonderful oddities and antiques.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

This medieval manor house was hastily fortified when it found itself in the middle of the Scottish fight for independence.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

A Roman spa buried deep beneath the City of London.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A 30-acre garden inspired by the principles of modern physics.