17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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

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.

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.

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

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

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

Stalinist skyscraper built with help of cryotechnology.

Moscow's imposing monument to the Space Age.

World's largest bell sits on the grounds of the Kremlin in Moscow.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

This mundane shopping plaza is named after a gruesome piece of flotsam.

This rare example of Vancouver's Victorian past was the home of one of the city's first bookbinders.

Canada shows its hockey pride with a giant stick.

Bird dung painted this huge boulder which in turn inspired the name of a city.

Vancouver's only resting place for the city's deceased.

The mountaintop wind turbine boasts a viewing deck — and a fair share of controversy.

The oldest building in Vancouver's Chinatown is now home to one of Canada’s largest contemporary art collections.

This quirky piece of naval artillery has been deafening Canadians for over a century.

The century-old plant starred as the villainous clown's lair in the miniseries based on Stephen King's "It."