Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

It's a mystery why these remains were found with no traces of their bodies in sight.

London's marvelous wildfowl reserve along the Thames.

The "shampooer of kings" who opened London's first curry cafe was a celebrity in the 19th century, but is all but forgotten now.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

The commemorative stone column conceals a secret laboratory.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

The taxidermied remains of a once-great parrot.

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

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

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

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

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

This secluded walkway overlooks a magnificently wild London green space.

A Roman spa buried deep beneath the City of London.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

This luxury shopping lane has been protected by its own tiny police force for over a century.

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

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

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

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

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

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.