This abandoned hospital facility is associated with regicidal conspiracies and paranormal activities.

One of the most spectacular canyons in the world.

The world's largest concentrated solar power plant.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

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.

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

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The stately remains of Llywelyn the Great's mighty fortress.

One of the few surviving street funiculars in the world.

Picturesque ruins once held off mighty armies.

Also known as "Leicester's Folly," this almost cathedral was left unfinished and in ruins.

This tower is all that remains of a once-famed chapel.

The decaying ruins of Wales' first asylum for the mentally ill.

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

One of these two land speed record-breaking vehicles went so fast it shattered the sound barrier.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

Known as the "Stairway to Heaven," this historic canal dates back to the 1700s.

A retirement home for soldiers that can trace its history to the Elizabethan era and beyond.

This river ramp was once used by the elephants of a local circus.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.