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

Hear the quietest sound from across the dome.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

A plaque marks the underground site of one of London's "lost rivers."

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

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

Dictionary Johnson’s favorite feline.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

A cluttered and astounding collection of antiquities and curiosities.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A mysterious artist-run cabinet of curiosities and library.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

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