Classified for credit

Connecticut's largest state forest with varied habitats including Atlantic white cedar swamps — covers forest ecology, watershed biology, and New England natural history.

Foothill state park on the Diablo Range with grassland and oak woodland habitats — supports California ecology, geology, and geographic study of the Coast Ranges.

Outdoor museum with 150+ bonsai trees from Pacific Rim collections — supports horticulture, plant biology, and Japanese cultural art forms.

Garden featuring plants from Pacific Rim regions — biogeography and comparative ecology.

Remote Nevada desert refuge with spring-fed lakes hosting migratory waterfowl and shorebirds — covers Great Basin ecology, ornithology, and desert hydrology.

Desert oasis wildlife refuge in Nevada — supports migratory bird study, Great Basin ecology, and wetland biology in an arid landscape context.

Urban woodland preserve on the edge of Oshkosh with trails through mixed forest — supports plant and wildlife ecology, tree identification, and outdoor PE.

Federal wildlife refuge along the Paint Rock River — covers riparian ecology, migratory bird biology, and watershed conservation.

Montana state park on a reservoir with native forest and mountain ecology — covers geology, riparian biology, and geography.

Kentucky state park with reservoir, trails, and camping — supports ecology, hydrology, and outdoor education in an Appalachian setting.

Molokai state park featuring a phallic rock sacred site, native forest, and sea cliff overlooks connecting Hawaiian cultural geography and native ecology.

Hawaiian garden sanctuary with ethnobotanical and cultural elements — supports Pacific Island ecology, native plant study, and multicultural social studies.

Utah state park with reservoir, wetlands, and trails providing hands-on study of high-desert ecology, water habitats, and outdoor recreation.

State park along the Cedar River with limestone palisades — geology, riparian ecology, and native plant identification.

Arizona NWR canyon hosting one of the only native California fan palm groves in the state — covers desert riparian ecology and native plant biogeography.

Historic indoor palm conservatory at Como Park — tropical plant biology, greenhouse climate science, and plant adaptation to varied environments.

Free municipal botanical park with labeled native and tropical plantings — plant taxonomy, Florida coastal ecology, and conservation.

Louisiana coastal-prairie state park with bayou habitats — covers wetland ecology, native wildlife, and Gulf Coast geography.

Texas state park centered on a rare artesian spring ecosystem — covers karst hydrology, endemic plant and animal species, and riparian ecology.

Delaware River floodplain nature park with wetland ecology trails, migratory bird habitat, and environmental education programs for urban-area learners.

New Texas state park in the Palo Pinto Mountains — covers cross-timbers ecology, geology, and outdoor physical education.

State park adjacent to Palomar Observatory — combines chaparral and conifer ecology with proximity to a world-class astronomical research site.

Community nature center with trails and native habitat — supports local ecology, wildlife identification, and outdoor science observation.

Cascades foothills rail-trail trailhead with river and forest access — supports Pacific Northwest ecology, trail geography, and outdoor PE.