One of the oldest and certainly best preserved Cistercian abbeys still in existence.

This stately estate house features a tower covered in a bright, modern mural.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

This hidden green space is the city's second largest conservatory.

At high tide this strange footbridge appears to have no purpose whatsoever.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

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

Accessible only at low tide, the deserted island is dotted with World War II ruins.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

A unique waterfall that some believe attracts the fairfolk.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

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