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

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

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

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

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A naturally mummified 2,000-year-old man.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

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

Charles Babbage's proto-computer, painstakingly brought to life.

The Tudor-style cottage in the middle of the square is not quite what it seems.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

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

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

This striking statue brings a scene from the African savannah into central London.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

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

A unique tribute to the millions of animals who served and died for the British military.

A tribute to an explorer and naturalist often overlooked by history.

The final resting place to 300 Victorian-era pets hides inside the city park.

Eighty million natural history specimens call this gargantuan museum home.

The bones of two medieval royal lions were discovered at the historic fortress.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

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

The famous polar explorer stands outside the Royal Geographical Society's headquarters.