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

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

Murals of the wild parties once held on the frozen River Thames.

Hear the quietest sound from across the dome.

Public access to clean drinking water was an instant hit among the masses.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

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

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

London's largest outsider art museum.

Catacombs turned marketplace.

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

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