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.

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

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

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

Narrowest house in Boston.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

The fossilized remains of ancient California redwoods.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

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

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The ruins of the castle that chemicals built.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

"I did this all while you were watching TV."

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Gold Rush-era tombstones line the park's paths.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A couple turned their front yard into an artistic masterpiece.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

A massive sea stack famous for its appearance in The Goonies.

Golden Gate Park's historic collection of plants.