Centuries of biking history are nestled in the shadow of the birthplace of contemporary mountain biking.

A B&B on a Victorian lighthouse station in San Francisco Bay.

Frank Lloyd Wright died a year before construction on his largest public project even began.

Abandoned landscape once home to "the world's largest winery."

This lighthouse has been guiding shipping into the Golden Gate since before the American Civil War.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Of all the origin stories for weed's secret code, this one likely has the goods.

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

Social saloon from a scrapped trans-Pacific 19th century steamer.

This infamous prison has a store where you can buy goods crafted by incarcerated people.

Across Ring Mountain is a vast collection of Native American petroglyphs unique to the region.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

The first safe in this California town had to hold all the gold.

The oldest continuously operating church in California.

This remarkably simple jail went over a century without an escape.

A house built from trash known as the poor man's Hearst Castle.

A deserted hodgepodge of experimental structures designed by nearby university students.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

A Mysterious Masonic tomb in San Luis Obispo.

With its peeling paint and faded sign, this theater-turned-recycling plant is a nostalgic relic of 1950s Americana.

Machinery left over from California's once thriving mercury industry now attracts artists and explorers.

A 250 million-year-old rock formation has earned a rather unique nickname.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Nestled in Coachella Valley, this museum transports guests from the Mesozoic Era, to the land of Egyptian kings.