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

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

English antique dealers with a taste for the unusual.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

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

London's old-school healing garden.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A cluttered and astounding collection of antiquities and curiosities.

Hear the quietest sound from across the dome.

A historic house left in "dramatic still life."

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

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

A little slice of Japan and its aesthetics in London's Holland Park.

Remnants of a Victorian garden feature sitting in public woodland.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

Catacombs turned marketplace.

This 1920s Dutch barge is now a floating bookstore.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Rebuilt remains of a temple to Roman god Mithras.