Classified for credit

Large North Texas state park on a reservoir with trails and wildlife areas — Cross Timbers ecosystem ecology, physical geography, and outdoor PE.

Lake Ray Roberts nature center with interpretive trails — freshwater ecology, migratory birds, and Texas native plant study.

Botanical garden section within Fort Worth Botanic Garden themed to the Republic of Texas era — supports Texas history, native plant biology, and horticulture.

Big Bend NP visitor center at Rio Grande Village — Chihuahuan Desert ecology, Rio Grande riparian biology, and US-Mexico border geography.

Urban nature center on the Wichita River with trails and exhibits — covers local ecology, riparian habitats, and native Texas wildlife.

Urban nature park along the Trinity River in Arlington with trails, wildlife habitat, and a nature center — supports riparian ecology, native species identification, and outdoor PE.

Kerrville nature center on the Guadalupe River — covers Texas Hill Country ecology, native plants, wildlife, and riparian biology.

Botanic garden in Fort Worth — plant taxonomy, native Texas flora, horticulture, and ecological landscaping principles.

East Texas national forest covering longleaf pine ecology, watershed biology, and forest management within the Sabine River drainage basin.

Texas Ornithological Society woodland sanctuary on the Gulf Coast — neotropical migratory bird observation and avian ecology.

National forest in East Texas with longleaf pine habitat and the Lone Star Hiking Trail — covers forest ecology, biodiversity, and land-use geography.

Texas state park on O.H. Ivie Reservoir with varied semi-arid habitats — ecology, Texas geology, wildlife observation, and outdoor recreation.

Coastal NWR on the Texas Gulf — migratory shorebird and wading bird ecology, coastal wetland habitat study, and wildlife conservation.

Aquifer-fed discovery center on the San Marcos River — covers spring ecology, aquatic biology, and Edwards Aquifer geology.

Urban creek nature park with trails along Seabourne Creek — riparian ecology, native Texas wildlife, and watershed biology.

Coastal wildlife refuge and park on Galveston Bay — covers estuarine ecology, shorebird biology, and Texas Gulf Coast wetland habitat.

Small North Texas zoo and petting facility with exotic and domestic animals providing hands-on zoology and animal husbandry exposure.

Urban nature preserve with trails in Arlington, TX — native plant ecology, urban wildlife habitat, and outdoor PE.

Nature center in Midland with exhibits and trails focused on Permian Basin ecology, native plants, and wildlife of the Llano Estacado.

Coastal prairie and wetland tract within a national wildlife refuge — covers migratory bird ecology, Gulf Coast wetland biology, and wildlife conservation.

Houston Audubon bird sanctuary on the Upper Texas Coast — prime neotropical songbird migration stopover supporting ornithology and ecology study.

South Texas botanical garden and nature center with hummingbird and butterfly habitats — covers plant ecology, pollinator biology, and regional conservation.

Urban nature center on Spring Creek Greenway with trails, wildlife observation, and ecology programming for school and community groups.

Texas state park on the Brazos River at the site of Austin's colonial capital — riparian ecology, Texas history, and outdoor education.