This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

Grab a cuppa at England's first and only domestic tea plantation.

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

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.

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Fantastically decorated underground chambers built in the 1760s.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

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

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

Famously misunderstood wonder of the ancient world

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The world's largest collection of witchcraft regalia.

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

In paradise, feral pigs have claimed an island all to themselves.

This enormous spiral sculpture looks strangely out of place on the edge of a housing development.

One family's environment-friendly hobbit-house in Wales.

The old tradition of drying laundry on poles in the public green is still guaranteed by Glasgow city law.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

Legend says this rock was once a chopping block for public executions.