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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

An eccentric millionaire's personal curio collection includes at least one shrunken head.

On a small Puerto Rican island, banks of secret naval bunkers lie abandoned and filled with piles of office equipment.

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

The Liverpool street made famous by the Beatles is real.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

The unbelievably opulent home built for an infamous newspaperman.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

Not quite the menace it once was, this monster still has some chops.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The world's brightest bioluminescent bay.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This massive redwood tree has a hole in the base big enough to drive through.

Quite simply the largest tree in the world (by volume).

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

Towering basalt columns, a creation of fire and ice.

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