In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

Enter the world under the hill at this ancient UK burial chamber.

A 550-square-meter micro-nation off the coast of Britain.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

Follow the original medieval paths that wind through this intriguing section of the city.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

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

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

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A network of concealed passageways lies within a busy London Underground station.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

Hidden in a Scotland museum is a copse of extinct tree stumps.

Puzzles within puzzles hide a golden treasure in this hedge maze.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

A open air theatre built on a cliff by an eccentric British woman.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.