The western face was supposedly left clock-less to snub the Welsh.

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

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

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

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

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

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.

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

The longest staircase lock in Britain.

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

Largest lake in Great Britain measured by surface area.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

The world's tallest bridge is also possibly the most elegant.

This atmospheric cavern on the hillside above picturesque Rydal Water is actually an old slate quarry

The sign at the garden gate reads: “These Plants Can Kill.”

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

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

A remarkable feat of Victorian engineering across the Firth of Forth.

The most loyal of little dogs, or a Victorian era publicity stunt?

360° views of the city plus five floors of optical illusions and hands-on science.

A six-ton wedding present for the King of the Scots.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.