The quiet field that inspired one of the most famous songs of all time.

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

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

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

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

The Liverpool street made famous by the Beatles is real.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

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

This stately estate house features a tower covered in a bright, modern mural.

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.

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

Catacombs turned marketplace.

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

Famously misunderstood wonder of the ancient world

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

The Belgian library displays burned books that were salvaged from the fires of both world wars.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

The smallest country in Australia is a principled little thing with a friendly emperor.