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

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

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

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Rebuilt remains of a temple to Roman god Mithras.

A quiet memorial to those who died saving others in the heart of the City of London.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

London's smallest police station is barely the size of a phone booth.

Collection dedicated to brands, packaging and advertising.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

Museum celebrating the history of computers, especially their role in codebreaking.

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

Eighty million natural history specimens call this gargantuan museum home.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.