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

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

A magnificent, iconic stone tower in the Scottish Highlands.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

A village on the east coast of England that has almost completely eroded into the North Sea.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

Where the sleeping monsters of Scotland's oil industry are left to rust.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

A circle stone within a stone circle.

A midnight snack that lights up the night.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

This extraordinary Viking artifact has traveled throughout the city.

A perilous medieval road leading right into the sea.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

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

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

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

Modern megaliths form this work of cosmic, Celtic landscape art.

One man spent 10 years building a spectacular section of road because no one else would.

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

These ruins are a hidden gem, complete with fantastic views over the cliff edge.