Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The world's largest frame offers spectacular views of the city's past and present.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

A 19th-century cabin built into a hollowed-out Sequoia tree.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The 10-foot-wide Long Beach home was built on a dare.