A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

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

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

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

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

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

A kaleidoscopic warehouse-maze of handmade neon signs.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

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

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

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

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