A 2,000-ton rock resting in a state of a delicate balance.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

A lone pole once used to display a man's corpse now stands empty, but the memory remains.

Also known as “Robin Hood’s tree,” it became a famed location along Hadrian's Wall before it was cut down.

A perfectly running 230-year-old silver automaton and music box.

This temple was constructed entirely by Roman soldiers.

This enormous sculpture honors an English town's engineering and industrial heritage

This medieval manor house was hastily fortified when it found itself in the middle of the Scottish fight for independence.

These giant sculptures are supported by a bizarre menagerie of feet.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

Locals affectionately dubbed this World War I memorial "Tommy."

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

Home to the longest wooden escalators in the world.

The largest timber structure in Europe.

A famous pilgrimage site that remains hidden in the midst of a city.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

At 1,732 feet above sea level, this spectacularly isolated yet surprisingly bustling bar is the highest pub in Britain.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

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