An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

One of the world's largest collections of pathological specimens.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

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

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

An incarceration museum on the spot of possibly the oldest prison in England.

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

The signs of a long buried road can still be found hidden beneath a London sewer grate.

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

An unusual round church in London with a Templar past.

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

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.

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

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

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

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

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

A collection dedicated to the treatment of disease, held in London's oldest hospital.