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

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

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

An oddly shaped tower built to mark the acquittal of Admiral Keppel in a controversial 1770s case.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

English Protestants once criticized this enormous private chapel for being too ornate.

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

The undercroft is a spectacular example of medieval Cistercian architecture.

This poignant WWI memorial looks like a lighthouse 100 miles from the sea.

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

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

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

This Victorian marvel of engineering and artistic prowess is nicknamed the "Cathedral of Steam."

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

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

A brick foundation and piles of listing building materials are all that remains of this World War II POW camp.

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

Artists have long been drawn to these atmospheric 12th-century ruins.

This Victorian graveyard in Leeds is a macabre collection of beautiful tombs and memorials.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This dreamy street will transport you to wintertime in Victorian England.