Stunning wetlands ablaze with pink lotus flowers.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The small burial plot is located in a mall parking lot.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

An urban laboratory.

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

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.

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

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

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

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

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

Eighty million natural history specimens call this gargantuan museum home.

Catacombs turned marketplace.

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

Bizarre Hindu and Buddhist sculpture park.