Once the gateway to the utopian dream-village of a Civil War embalmer.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

This collection of hand fans doubles as a history of femininity.

Wheels of chrome by the thousands adorn this California Historical Landmark.

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

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

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

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

One man's love of natural beauty led to the creation of this hidden granite monument.

A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

'Cause the fence start shaking, the earth was quaking.

The largest Star Wars collection in the world is its own galaxy of collectibles.

340 bicycles, 65 feet high.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

Hand-powered race of alternative forms of transportation.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

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

Floating man-made island and upscale restaurant.

A modest reminder of treacherous waters at the Golden Gate.