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

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

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.

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

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

Black cat statues guard this temple-like Egyptian revival factory.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

There's an exclusive Beefeaters pub hidden in the Tower of London.

The last four extravagant street signs of London's historic banking street.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

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

An artistic tribute to the famous singer, just around the corner from where he was born.

The monster at the center of the Darwin Center Spirit Collection.

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.

A cluttered and astounding collection of antiquities and curiosities.

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

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.