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

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

Where condemned pirates met their grisly end at the gallows on the River Thames.

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

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

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

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

Ship-sized kinetic sculptural fantasy.

A museum wholly devoted to juvenescence.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

A Roman spa buried deep beneath the City of London.

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

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

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

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

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

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

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

A clock designed to run with perfect accuracy for 10,000 years.

English antique dealers with a taste for the unusual.

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

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

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

A cluttered and astounding collection of antiquities and curiosities.