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

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

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.

These medieval carvings bear scars left by Parliamentarian troops during the English Civil War.

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

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

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.