Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

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.

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

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

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

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

An architectural oddity hides in plain sight on this iconic London bridge.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

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

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

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

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

London's smallest police station is barely the size of a phone booth.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Giant, friendly pelicans in Central London, the most unlikely of places.

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

Concrete pillars provide a beautiful canvas for Quebec City's graffiti artists.