The Mitchell Caverns are not as large as those at Carlsbad, New Mexico, or as well known — but are local, every bit as dramatic, and come complete with a history made for movies. I had no idea what to ...

Visitors to Black Chasm Cavern in the town of Volcano look at helictite formations on June 18. Helictites are rare rock formations found in limestone caves that, unlike stalactites, form in seemingly ...

VALLECITO, Calif.VALLECITO, Calif. — Oak trees and vineyards dot the rolling hills of Calaveras County, tucked away between Yosemite National Park and Lake Tahoe, a place with four distinct seasons ...

A catamaran ride, a steep bus climb and an 1878 signature still on the cave wall make Lake Shasta Caverns a California ...

The road to Mitchell Caverns was paved but rough, and I slowed my Prius to a crawl to avoid constant giant potholes and washouts. Luckily, I was the only car on Essex Road that Saturday morning. It ...

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For you adventurous souls who like to get your sightseeing thrills underground, California has a wealth of caves open to the public — offering everything from walking tours to mud-caked spelunking.

Northern Californians love spending time in the outdoors — it’s hard not to with so many opportunities in the region — but the summer weather conditions often make activities under the sun a miserable ...