Pop culture has helped to keep this iconic British building from being destroyed.

The oldest inn in England served brew to the crusaders.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

400-year-old garden, restored to beauty.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The anatomical-pathological collection of a man who changed surgery.

Eighty million natural history specimens call this gargantuan museum home.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

The curios of pharmacist and collector Henry Wellcome.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

One part local history, 99 parts gruesome haunted house.

A hands-off space for graffiti artists to hone and display their skills.

Famously misunderstood wonder of the ancient world

Hidden beneath the streets of London is a secret subway that only carried mail.

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

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A kaleidoscopic warehouse-maze of handmade neon signs.