This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

An optical Illusion once believed to be an electrical phenomenon.

The remains of centuries of copper mining appear like an alien landscape.

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

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

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

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

The largest of only eight working transporter bridges left in the world.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

The last known resting place of the king who united England.

This hilarious English intersection is an automotive whirlpool.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Famously misunderstood wonder of the ancient world

The first archaeological site discovered by aerial photography.

The only pub in the world surrounded by an ancient stone circle.

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

Europe's largest prehistoric mound – burial site of a legendary king?

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

The designer of this railway tunnel added a birthday present for himself.

An Iron Age hillfort rooted in Arthurian legend was made famous by musician Peter Gabriel.

A quaint hamlet of nine cottages around a small green near Blaise castle.

It houses a menagerie of wondrous taxidermy specimens from around the world, including the remains of a famous gorilla.