The longest canal aqueduct in England was built without a plan to get water past the moving boats.

An open air haven for tropical monkeys in the damp moors of the English country.

These quintessentially English stepping stones were built for Victorian tourists.

A face-like natural rock formation so well known, a pub was named in its honor.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

These ancient rock graves were featured on the cover of a Black Sabbath compilation album.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

The biggest onshore wind farm in the United Kingdom.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

The longest and tallest aqueduct in Britain can actually be sailed across.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

Following years of secrecy, the hidden history of a World War II site is being brought to light.

Picturesque ruins once held off mighty armies.

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

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

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

At the United Kingdom's only residential library you can sleep among the books.

On a site with a long military history, a 1980s shelter.

The oldest known metal-mining site in England dates back to the Bronze Age.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

The wreck of a B-29 Superfortress now stands as a memorial left in the moors.

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.

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