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

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

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

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

The Tudor-style cottage in the middle of the square is not quite what it seems.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

The remains of the great moral philosopher reside in a university in London.

Pop culture has helped to keep this iconic British building from being destroyed.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

A naturally mummified 2,000-year-old man.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

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

Eighty million natural history specimens call this gargantuan museum home.

The curios of pharmacist and collector Henry Wellcome.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A striking memorial to the Jews of Leiden who were murdered during World War II is scattered throughout the city.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

An ancient Egyptian temple sits within a modern European museum.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Science meets wall art to highlight the beauty of famous mathematical equations.