A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

His "Lionheart" is entombed separately from the rest of his body.

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

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

A reportedly haunted 14th-century church is curiously facing the “wrong direction.”

A Neolithic burial site built 1,000 years before Stonehenge.

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

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

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

The broken skateboards that became a poignant memorial to a murdered skater.

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

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

The Liverpool street made famous by the Beatles is real.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

A tiny, hidden alleyway dedicated to the father of meteorology.

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

This 15th century pub is one of only two pubs in England situated on consecrated ground.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

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

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

A motley, fantastical agglomeration of unlikely houseboats along the Shoreham-by-Sea riverbank.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.