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

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

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

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

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

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Giant, friendly pelicans in Central London, the most unlikely of places.

London's old-school healing garden.

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

Hear the quietest sound from across the dome.

Eighty million natural history specimens call this gargantuan museum home.

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

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

The first archaeological site discovered by aerial photography.

The oldest working mechanical clock in the world.

This enormous, elaborate tomb looks oddly out of place next to a suburban Edinburgh bowling club.

This mundane post marks the old location of the city's main postal hub.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.