Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Commemorating the spot where the famous scientist fed his pigeons.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

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

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

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

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

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

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

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

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

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

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

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