The sign at the garden gate reads: "These Plants Can Kill."

An enigmatic natural rock formation with a manmade passage cut through the center.

The ancestral home of beloved English poet Lord Byron has a bizarre history.

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

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

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

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

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

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

Seat of the Duke and Duchess of Devonshire for centuries.

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.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

When methane gas started seeping up from the ground, they picked up and moved the entire town.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

The view from this giant Stone Age toad is unexpectedly beautiful.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

Long-secret natural history museum, featuring the skull of a "Terror Bird."

A repurposed railway tunnel with otherworldly acoustic characteristics.

A stone wall commemorates the legend of a ferocious dragon who literally got his butt kicked by a knight.