This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

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

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

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

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

An incarceration museum on the spot of possibly the oldest prison in England.

Rebuilt remains of a temple to Roman god Mithras.

This South London cemetery holds the remains of more than 15,000 people.

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

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

A quiet memorial to those who died saving others in the heart of the City of London.

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

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

Hear the quietest sound from across the dome.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

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

A friendly pub with a sordid past in cock fighting.

The breadfruit-adorned final resting place of the infamous Captain of the HMS Bounty.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

Dictionary Johnson’s favorite feline.