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

It holds a fabulously designed tribute to astronomer Edmond Halley.

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

Once a 19th-century refuge for immigrants, this pub has hosted performances by Amy Winehouse and the Arctic Monkeys.

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

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

At almost 1,000 years old, this is the oldest known door in all of Britain.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

An architectural oddity hides in plain sight on this iconic London bridge.

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

This life-size monument honors the legacy of a famous literary feline.