Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

Where the writer penned his famous story about a jumping frog.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

The American Home, Re-imagined.

Explore an early California pioneer's rancho hidden in LA's manufacturing hinterland.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

The site of murders and Satanic cult gatherings.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

A British pub embodies the spirit of a California legend.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

Historic funicular railway, believed to be the shortest railroad in the world.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

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

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A 140-year-old castle with underground caves hidden in San Francisco.

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