Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

A totem pole of heads to represent the different stages of life.

A friendly pub with a sordid past in cock fighting.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

Dictionary Johnson’s favorite feline.

This building contains a door only used by members of the royal family.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

The taxidermied remains of a once-great parrot.

This cul-de-sac off Fleet Street is said to be the place where the infamous Demon Barber made a killing

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

A pair of club-wielding guardians stand watch over London's first public clock to feature a minute hand.

The (fictional) address of Sweeney Todd's bloody barbershop.

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

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

This ancient Egyptian obelisk still bears the wounds of World War I.

A hidden path at the National Theatre lets you look behind the scenes of the latest productions.

The medieval woodcut-style artwork chronicles life in medieval London.

A series of carved figures that scandalized British society.

This black cat was actually designed to ward off bad luck.

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

England's most famous front door has an accidental doppelganger.

These ornate arches show how the course of the River Thames has changed.

An agreement meant to honor the Duke of Buckingham led to this unusually-named passageway near Charing Cross.

A living memorial to the trees London lost during the Great Storm of 1987.