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

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

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

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

An abandoned castle owned and ignored by Masons carries a cursed history.

An eccentric playboy's astounding natural history collection.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

This giant rock arrived at this quiet park thousands of years ago on the back of a massive glacier.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The real-life site of Ichabod Crane's infamous gourd attack.

Home of St. Urho, the fictional patron saint of Finland.

Where the notorious gang lived while on the run from the FBI.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.