CALIFORNIA, U.S.A. The first state park to preserve California’s beautiful wildlife was perhaps the most famous in the whole state: Yosemite State Park, erected in 1846. Today, the California Department of Parks and Recreation manages 280 parks and was Mt. Diablo State Park (pictured above) was established in 1931 and covers 20,124 acres (8,144 ha). Mt. Diablo is a beautiful mountain located in San Francisco’s East Bay Area. The regal mountain is a familiar and beloved sight to most Bay Area residents that offers camping, hiking, climbing and other recreational activities, in addition to serving as a reminder of the importance of preserving the nature and wildlife residing in everyone’s backyard.