A labyrinthine underworld of tunnels and caverns hides beneath the city.

Putting the "mod" in "modular" since 2000.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

The remains of the great moral philosopher reside in a university in London.

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

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

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

The most loyal of little dogs, or a Victorian era publicity stunt?

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

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Ship-sized kinetic sculptural fantasy.

The oldest inn in England served brew to the crusaders.

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

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.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Follow the original medieval paths that wind through this intriguing section of the city.

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

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

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Dictionary Johnson’s favorite feline.

Pop culture has helped to keep this iconic British building from being destroyed.