This secluded walkway overlooks a magnificently wild London green space.

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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

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

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

Look up from the busy streets to discover how time is kept!

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

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

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

A little slice of Japan and its aesthetics in London's Holland Park.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

This sculpture combines the literary Alice with her real-life inspiration.

A musical instrument played by the sea.

This lush, scenic spot was carved by the turquoise waters of the Radovna.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

Five candy-colored villages on the Italian Riviera.

Historic medieval fortified city in southwest France.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.