Seat of the Duke and Duchess of Devonshire for centuries.

These quintessentially English stepping stones were built for Victorian tourists.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

A historic Georgian building and warm springs.

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

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

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

These crude contraptions were used to aid in the mining of lead, silver and gold.

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

Some of England's last cave dwellers lived and worked within this huge cave.

This water-powered cliffside railway is one of the steepest funiculars in the world.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A holy well believed to have healing powers.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

These haunting ruins belong to an ancient village that once had one hell of a view.

The remains of centuries of copper mining appear like an alien landscape.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

Legends say that this small island was the final resting place of the Welsh saint of lovers.

The largest greenhouse in the world is home to over one million types of plants.

A fantastic castle rumored to be the birthplace of King Arthur.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

The world's largest collection of witchcraft regalia.