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

London's old-school healing garden.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

An unusual round church in London with a Templar past.

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

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A haunting painting meant to capture the calamity of World War I.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

A mysterious shape catches the eye in this 16th-century painting.

The bronze uniforms commemorate the vital role of women during World War II.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The commemorative stone column conceals a secret laboratory.

The broken skateboards that became a poignant memorial to a murdered skater.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

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

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Two plaques commemorate the site of Shakespeare's first theatre.

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