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

Floating pink tap installed for a flower show in London.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

A Neolithic burial site built 1,000 years before Stonehenge.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

6000-year-old site covered in more than 50 megaliths.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

This antique prison is a tourist attraction with a sordid past.

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

A 550-square-meter micro-nation off the coast of Britain.

A century-old tradition has culminated in a small but singular collection of feline effigies.

A midnight snack that lights up the night.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

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

A modern English garden of eccentric beasts, follies, and oddities.

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

Surreal riveted sea forts once protected the Kent shores from German attack.