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

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

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

Taxidermied animals galore, by appointment only.

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

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

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

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

A museum wholly devoted to juvenescence.

This small collection of rare books was uniquely locked up for safe keeping.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

Explore nearly 400 years of English middle-class home life.

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

Two plaques commemorate the site of Shakespeare's first theatre.

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

A famous burial ground with a history both grim and literary.

Pop culture has helped to keep this iconic British building from being destroyed.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

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

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

This 1920s Dutch barge is now a floating bookstore.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.