A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

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

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

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

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

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Hear the quietest sound from across the dome.

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 few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The television series' iconic giant foot was borrowed from this classical painting.

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

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

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

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

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

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

The remains of Crystal Palace Great Exhibition of 1851.

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

An unusual round church in London with a Templar past.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.