Classified for credit

East Texas reservoir state park with forested trails and lake habitat — supports freshwater ecology, native plant identification, and outdoor PE.

East Texas reservoir state park with diverse bird and wildlife habitat — covers freshwater ecology, migratory bird identification, and wetland biology.

Urban nature center on the Rio Grande featuring native South Texas habitat, bird observation, and riparian ecology programs.

Sunken formal garden within Dallas Arboretum grounds featuring native and ornamental plantings — supports plant biology and landscape design studies.

Federal coastal wetlands refuge on the Gulf supporting migratory waterfowl and shorebirds — covers estuarine ecology, wildlife biology, and wetland conservation.

Visitor center at McKinney Falls State Park covering the geology of the park's limestone waterfalls, central Texas ecosystems, and local wildlife.

State park with limestone waterfalls and creek ecosystems — covers geology, riparian biology, and outdoor PE.

Lower Colorado River floodplain park with ranger programs — covers riparian ecology, native plants, wildlife, and field biology.

Harris County botanic garden with extensive plant collections — plant taxonomy, native Texas species, and horticultural science.

Central Texas Hill Country state park on Bosque Creek — limestone geology, Texan flora and fauna, hiking, and freshwater ecology.

Nature center on Belton Lake with trails and wildlife habitat — covers Central Texas ecology, native species, and outdoor biology.

Texas state park featuring active sand dunes — supports geology, wind erosion, desert ecology, and physical geography study.

Texas's oldest state park with limestone river terrain and cedar-oak habitat — supports ecology, Texas state history, and outdoor PE.

North-TX wildlife and reptile rescue — herpetology and applied wildlife rehab.

Hands-on exotic and farm animal petting zoo — animal husbandry, zoology basics, and direct animal interaction in a supervised setting.

Urban nature preserve with interpretive trails — Texas native plants, riparian ecology, and wildlife identification.

Urban nature preserve in Plano, TX with trails along Rowlett Creek — supports riparian ecology, native plant identification, and physical education.

State park centered on an abandoned railroad tunnel that shelters one of the largest Mexican free-tailed bat colonies in Texas; supports mammalogy and ecology study.

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

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

Big Bend National Park's main visitor center with exhibits on Chihuahuan Desert ecology, park geology, and regional natural history.

Arboretum pavilion and grounds with labeled plantings — supports botany and ecology observation in a Central Texas setting.

Big Bend National Park's north entrance visitor center with geology and Chihuahuan Desert ecology exhibits — supports geology, desert biology, and geography.

East Texas state park centered on a reservoir — freshwater ecology, fishing biology, and outdoor recreation in a woodland lake setting.