The mystery of this small, brick pond eluded its possibly only investigator until his death.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

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

The stately remains of Llywelyn the Great's mighty fortress.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A pub that is literally in the middle of nowhere, but continues to do business.

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

This crumbling folly looks like an enchanted left over from Middle Earth.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

Fantastically decorated underground chambers built in the 1760s.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

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.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

This haunting stone chasm is a hotbed of mossy rock and English legend.

This foolish Victorian sea fort was converted to a deluxe hotel.

Three bridges straddle a stream, one stacked upon the other.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.