This underpass became an unlikely piece of cinematic history after its appearance in 'A Clockwork Orange.'

In this medieval fish bowl, the carp weren't pets.

Legend says squeezing into this slender stone seat will make your wish come true.

The site of the most dived wreck in the UK.

This peaceful oasis appears dreamy, but it's also the site of a nightmarish legend.

Left by the Devil, an ancient quarry or just plain old erosion, this enigmatic rock pillar rises 28 feet from the hillside.

A creepy tree with a local legend that inspired a nearby theme park ride.

This Roman quarry once held secret masses and smuggler's contraband and is now home to rare species of bats.

This remarkably intact, 260-year-old cargo ship is only visible at the lowest of spring tides.

These remarkable cascades are the jewels of Upper Tees.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

A perfectly running 230-year-old silver automaton and music box.

Eighteenth-century home, where Herschel discovered the planet Uranus.

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

An open air haven for tropical monkeys in the damp moors of the English country.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

A perilous medieval road leading right into the sea.

Human-made caves excavated to hide a secret society of wealthy pagans.

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.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

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