Scattered throughout London are ancient remnants of the city's former bounding wall.

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

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A famous burial ground with a history both grim and literary.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

Hear the quietest sound from across the dome.

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

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

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

A haunting collection of the vanished and disappearing natural world.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

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

An artistic tribute to the famous singer, just around the corner from where he was born.

Collection dedicated to brands, packaging and advertising.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A clock designed to run with perfect accuracy for 10,000 years.

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

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

A plaque marks the underground site of one of London's "lost rivers."

A mysterious artist-run cabinet of curiosities and library.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.