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

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

This five-star hotel was originally a swanky parking garage.

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

The canine-themed book collection claims to be Europe's largest dog library.

The secret wartime bunker built on the platforms of an abandoned Tube station.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

This overlooked street light once served as a KGB dead letter box.

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A network of concealed passageways lies within a busy London Underground station.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

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

More than a million titles fill the labyrinthine shelves of this prestigious private library.

This 19th-century pub features stained-glass windows celebrating Victorian-era "champions."

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

A mysterious artist-run cabinet of curiosities and library.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

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