Four hundred years ago, this turned-about message was carved into one of Winchester Cathedral's exterior walls.

The ruins stand as a somber reminder of France’s worst civil catastrophe of the 20th century.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

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

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

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

Follow the original medieval paths that wind through this intriguing section of the city.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

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

London's smallest police station is barely the size of a phone booth.

A cluttered and astounding collection of antiquities and curiosities.

The longest hedge maze in the world.

The anatomical-pathological collection of a man who changed surgery.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.