A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The Tudor-style cottage in the middle of the square is not quite what it seems.

A unique tribute to the millions of animals who served and died for the British military.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

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

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

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

The broken skateboards that became a poignant memorial to a murdered skater.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The last four extravagant street signs of London's historic banking street.

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

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

Ship-sized kinetic sculptural fantasy.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

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

Charles Babbage's proto-computer, painstakingly brought to life.

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