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

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

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

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

This tiny business claims to be "the smallest pub on the planet."

The first privately owned air raid shelter in Britain, built after a horrifying night of Zeppelin bombings.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

The tallest freestanding structure in the United Kingdom.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

A copy of the brutal decapitation device that predated the French Guillotine by about 200 years.

This tallest folly in the world began its life as an elaborate factory chimney.

Probably the smallest museum in the world, housed in a disused phone booth.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

What was once England's second-richest abbey is now a haunting ruin.

One of the highest Roman forts in Britain is set amid dramatic scenery on a notoriously difficult road.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

Stonehenge has nothing on Castlerigg’s views.

Some cheeky plantings brighten an old slipway on Scotland's Firth of Forth.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

An optical Illusion once believed to be an electrical phenomenon.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

Largest lake in Great Britain measured by surface area.