A shrine of fire worship built on top of a natural flame.

Complete town of 5,000 living out at sea on the world's first offshore oil platform.

This everlasting lightning storm may be the world's largest generator of ozone.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A Nesting Doll of Churches.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

Since 2017, the remains of Stretford's industrial past have been occupied by a collection of gnomes.

This antique shop and tea room reside inside a twice defunct church that was moved stone by stone to its current location.

Every July, men dressed as giant crows dance around a scarecrow who comes to life.

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

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

The artist David Nash planted a circle of trees in 1977.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A subterranean playground in an abandoned slate mine.

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

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

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

Semi-precious Blue John stones have been mined in this cavern system for centuries.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

At night, the enormous sculpture looks like a UFO hovering above the English hills.

This Cheshire museum has cuckoo clocks, a rare pipe organ and vintage motorbikes. But mostly cuckoo clocks.

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