This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

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

The television series' iconic giant foot was borrowed from this classical painting.

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

Catacombs turned marketplace.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

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

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

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Eighty million natural history specimens call this gargantuan museum home.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The celebrated eyesore created by starry-eyed sweethearts.

Historical trolley restoration and operation at History San Jose, Kelly Park.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

One of the largest trees of its kind in California.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.