Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

A century and a half of research in the sciences and natural history, still going strong.

Napa's oldest building is now a Mexican restaurant.

A museum dedicated to the decorative arts from the 16th through 19th centuries.

Four miles of pipelines form the model of still-functioning retro-tech efficiency.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

Tucked away behind an unassuming set of shops is a must-see series of stunning murals.

The echoes of a railroad town that solemnly mark the end of the line.

The modest home of the very immodest dancer who cost a king his crown.

A bomb shelter and some fireplaces are all that remain of the house Fred Roberts tried so hard to keep standing.

A museum dedicated to restoring vintage aircraft, located at a working airport.

A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

Perfect your fly fishing technique on their practice ponds.

Drink a Guinness under the wings of Reagan's retired Air Force One in his presidential library.

Windswept and remote, this island was once the home of a rare mammoth and today is home to a rare tree.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

This museum honors the first Spanish land grant in California which is still in the hands of the original owner's family.

The site of the house Jack Parsons made famous both in life and death.

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

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

Overflowing with shipping containers, this location has been transformed into a massive workspace for artists.

Where the rich wintered in Pasadena.

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

Pasadena glamour turned government issue.