Public access to clean drinking water was an instant hit among the masses.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

A Roman spa buried deep beneath the City of London.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

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

A cluttered and astounding collection of antiquities and curiosities.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

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

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

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

This home on a quiet suburban street is completely covered with vibrant mosaics.

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

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

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

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

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This London plaque marks the spot where David Bowie's famous alien made his debut.

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

Repository for more than 22 million pickled specimens.

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

A tongue-in-cheek arcade where the games are based on everyday life.