His "Lionheart" is entombed separately from the rest of his body.

The gigantic preserved heart of a champion racehorse.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

When the imprisoned pope's remains were finally returned to the Vatican, his heart stayed behind in France.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

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

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

An unusual round church in London with a Templar past.

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

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

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

The curios of pharmacist and collector Henry Wellcome.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

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

Rebuilt remains of a temple to Roman god Mithras.

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

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

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

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

High-end antique collection housed in a centuries-old church.

English antique dealers with a taste for the unusual.