This mysterious hilltop collection of Druid carvings isn't quite what it seems.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

This stone throne invites adventurers to observe breathtaking views of the Peak District.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

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

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

The English Civil War began right here in 1642.

The oldest inn in England served brew to the crusaders.

This 2,000-year-old tree inspired the nursery rhyme "Rock-a-bye Baby."

Centuries of human activity have forged an eerie landscape of ruins and craters on an exposed and windswept hilltop.

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

A wooden statue commemorates a local celebrity who became a national sensation for his height.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

Inspired by a dream, a hermit carved out a home in this sandstone bank to live a life of contemplation and prayer.

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

This wild game of "football" between two sections of an English town has been staged every year for countless centuries.

This Bronze Age boat was found buried remarkably intact in an English gravel pit.

This charming railway is one of the oldest and steepest funiculars in England.

The grave of the legendary "Bonzo" can often be seen covered in cymbals and drumsticks.

This old village lock-up is known as the "round house," but it is actually octagonal.

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.

This home of a taxidermy hoarder is among the grandest and most singular of historic English estates.