Pitch your tent in a scenic campground and sleep among giant boulders after a day of climbing and admiring the beauty of California's Joshua Tree National Park.

Including one-fifth of San Diego County, Anza-Borrego is the largest state park in California. Essential California Camping Gear Guide. Eno Hammock (starting at $49.95; amazon.com) ...

The Golden State might have more campgrounds than any other in the U.S.—and more visitors, too. From desert to coast to mountains, here are the best uncrowded spots to get a site.

Here's what's open: Black Rock Campground: Sites 40-60 and 66-99 are closed from May 25-Sept. 3. All other sites are first-come, first-served until Sept. 4, when they'll be reservation only ...