This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A six-ton wedding present for the King of the Scots.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The Liverpool street made famous by the Beatles is real.

The most loyal of little dogs, or a Victorian era publicity stunt?

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This one has sailed five times as far as Sir Francis Drake's famous ship.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

One of Europe's oldest libraries.

Ship-sized kinetic sculptural fantasy.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

This luxury shopping lane has been protected by its own tiny police force for over a century.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

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

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

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

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.