Peek inside this sandy mailbox and you'll spot kids' letters to Santa.

This historic graveyard was partially paved over to create a streetcar line.

A replica of the first public theater built in California.

Don't bother sending any mail to this ghost town.

A commonwealth favorite in the heart of Pasadena.

Founded by a high school teacher, this poetry magazine became a center for all things literary.

A former hardware store near Yerba Buena is the official home of California's history.

The oldest continuously operating Catholic school west of the Mississippi.

A newspaper building that made radio history.

This peaceful garden is hidden on the grounds of a spiritual organization founded by a pioneer yogi.

An abandoned 1930s gas station turned bustling neighborhood park.

This childhood throwback has hundreds of arcade games and pinball machines to transport you back in time.

One of the last remaining Carpenter Gothic churches is situated on a wildflower conservatory overlooking the bay.

You don't have to be a diplomat to visit the so-called Camp David of the West.

This Chase branch is an homage to Old Hollywood.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

This hidden fire lookout offers spectacular views of Sequoia National Park.

This small oasis of flora and art was created in remembrance of a local auto business owner.

These unusual houses look like giant boats that washed ashore on a residential street.

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.

This small monument to the great inventor contains a time capsule and a Wi-Fi hotspot.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

These lush groves of fan palms rise up like oases out of southern California's Colorado Desert.