The largest retailer of seashells in the world.

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.

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

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

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

Human-made caves excavated to hide a secret society of wealthy pagans.

A celebrated bandstand at the center of what was once the worst slum in London.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

A museum wholly devoted to juvenescence.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

Eighty million natural history specimens call this gargantuan museum home.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."