Classified for credit

NPS island park off the Southern California coast — covers island biogeography, marine ecology, kelp forest biology, and Channel Islands Chumash history.

Extreme desert national park — covers geology, arid-land ecology, meteorology, and is the lowest elevation point in North America.

NPS recreation area spanning bay, coast, and redwood habitats — covers ecology, coastal geography, Civil War fortifications, and outdoor fitness.

National park featuring desert ecology, geology, and plant adaptation — ranger programs cover the Joshua tree ecosystem and rock formation.

National Monument preserving old-growth coastal redwoods — covers forest ecology, dendrology, and conservation biology via ranger-led programs.

National park featuring volcanic rock formations, talus caves, and rare California condors — covers geology, ecology, and cave biology.

National Seashore on the Point Reyes Peninsula with ranger programs, tule elk, tide pools, and diverse coastal and forest ecosystems.

Old-growth coastal redwood ecosystem with ranger programs covering forest ecology, tree biology, and the tallest living organisms on Earth.

World-renowned zoo with 3,500+ animals and strong conservation programming — covers zoology, ecology, animal behavior, and global biodiversity.

National park featuring the world's largest trees — old-growth ecology, dendrology, Sierra Nevada geology, and conservation biology.

Sequoia and Kings Canyon parks offer ranger programs on old-growth ecology, geology, and giant sequoia biology.

UNESCO World Heritage Site and national park — covers geology, ecology, watershed science, and wildlife biology across diverse Sierra Nevada ecosystems.

UNESCO World Heritage national park covering glaciology, granite geology, giant sequoia ecology, and Sierra Nevada watershed biology.

AZA-accredited zoo with conservation programs covering zoology, animal behavior, and wildlife biology across diverse species exhibits.

Vast Mojave Desert preserve with cinder cones, lava flows, and Joshua tree ecosystems — geology, desert ecology, and geomorphology in the field.

Yosemite Valley nature center at Happy Isles covering Sierra Nevada ecology, river habitat, and wildlife biology with hands-on exhibits.

African wildlife preserve with guided open-vehicle tours — covers animal behavior, African ecosystem ecology, and conservation biology.

Large NPS recreation area in the Santa Monica Mountains — covers chaparral ecology, California native species, watershed geography, and outdoor education.

NPS recreation area with reservoir, waterfalls, and forest ecosystems — covers hydrology, ecology, and California natural history with ranger programs.

Visitor center for a state park protecting ancient giant sequoias — covers dendrology, old-growth ecology, and California natural history.

Bakersfield zoo and botanical garden focused exclusively on California native animals and plants — covers state ecology, wildlife biology, and conservation.

Working apple ranch in the Sierra Nevada foothills — covers orchard agriculture, seasonal plant cycles, and farm ecology.

Visitor and education center for the Guadalupe-Nipomo Dunes — covers coastal dune ecology, sand formation, and endangered species habitat on the Central Coast.

Nature center along the American River Parkway — covers regional wildlife biology, riparian ecology, and native plant identification.