The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

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

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

This single-track road rewards brave drivers with stunning Scottish scenery.

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

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

Legend says this cave housed a 16th-century cannibal and his family of 48.

Stonehenge has nothing on Castlerigg’s views.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

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

England's most notorious suicide spot.

A remarkably well preserved tower dating all the way back to the Iron Age.

This enchanting hill is home to fairy lore and a sinister local mystery.

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

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

This crumbling folly looks like an enchanted left over from Middle Earth.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

This haunting stone chasm is a hotbed of mossy rock and English legend.

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

The largest stone circle in the world has ended up bringing up more questions than it has answered.