This muddy wooded valley and the ancient structures it hides are said to be the favored haunt of the legendary Friar Tuck.

The undercroft is a spectacular example of medieval Cistercian architecture.

These bleak 800-year-old ruins were once the royal residence of choice for hunting in Sherwood Forest.

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

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

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

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

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

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

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

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

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.

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

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

The remains of a remote village that once housed over 1,200 dam workers and their families.

A winding medieval path was used by mourners to carry their dead to the nearest church.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

This series of Scottish caves has no clear purpose other than baffling historians.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.