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

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

The Tudor-style cottage in the middle of the square is not quite what it seems.

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

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

The final resting place of a German diplomat's beloved companion.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

The television series' iconic giant foot was borrowed from this classical painting.

London's smallest police station is barely the size of a phone booth.

Giant, friendly pelicans in Central London, the most unlikely of places.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

These ornate arches show how the course of the River Thames has changed.

The remains of Crystal Palace Great Exhibition of 1851.

Hidden beneath the streets of London is a secret subway that only carried mail.