Commonly referred to as the most photographed Victorian home in the United States.

Playable, historic pinball machines fill this Alameda museum.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

Megachurch turned Catholic church comprised of 10,000 glass panes.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

An offbeat angle on the ocean viewed through an antiquated lens.

A large instrument played by the wind.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

A world-class observatory in the California desert.

A popular tourist cave with a dark past.

This massive redwood tree has a hole in the base big enough to drive through.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Rare collectibles from automated musical instruments to 250 unique automobiles.

California's own majestic geyser is powered by a subterranean volcano.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

A giant donut stands as a popular symbol of Los Angeles iconography.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Quite simply the largest tree in the world (by volume).

A trash dump made beautiful by nature's power.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.