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?

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

The plaques around this 19th-century structure recall some rather strange tales.

This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

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

The highest peak in all of England is plagued by dangerously fickle climate shifts.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The broken skateboards that became a poignant memorial to a murdered skater.

A hands-off space for graffiti artists to hone and display their skills.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.