The first U.S. town to secede from the Union, only to vote themselves right back in.

Once the largest town in eastern Yuba County now sits abandoned.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

One woman's Viking Castle on Lake Tahoe.

The cobbled together compound of a deceased artist which now serves as a filming location.

Gorgeous purple flowers drape from the world's largest blossoming plant.

A relic from a forgotten bakery chain still spins atop a diner.

The American Home, Re-imagined.

A cobblestone alley with an interesting past.

A Bicycle Path in the Sky.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

A bigger-than-life pun that has become a beacon of altruism.

Southern California’s Theme Park Beginnings.

Victoriana on Orange Grove Avenue.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

One of Los Angeles's first murals once vibrantly depicted the dangers of United States imperialism.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The legendary building that needed ghostly approval before being built.

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

Though the original building has been demolished, these massive bronze doors were saved.

A beloved carnival gets a modern makeover in Los Angeles.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."