Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

Quaint, disturbing, and macabre objects are all on display at this intriguing collection of medical instruments from bygone eras.

A petite castle folly in the English countryside.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

Visit the WWII bunker where the British won the battle for the skies.

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

On a site with a long military history, a 1980s shelter.

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

Museum about life, death, and cannibalism in the Stone Age.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

This historic abandoned train station looks like a stop for ghost trains.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

A rotting air force base is now home to rare birds and scarce plants.

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

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

The Bristol Camera Obscura housed in an ancient windmill.

One of Bristol's best-hidden gems has ties to Lord Byron, whence it became the nation's first reformatory school for girls.

The designer of this railway tunnel added a birthday present for himself.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

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