Classified for credit

Working barnyard with Jersey cattle and farm animals — supports lessons in livestock agriculture, animal husbandry, and rural Texas heritage.

Museum dedicated to Western American art covering 19th–20th century paintings and sculpture — documents frontier history through visual narrative.

Urban nature and retreat center along the Trinity River corridor — covers riparian ecology, native Texas plants, and environmental stewardship.

Historic grist mill site on the San Marcos River — covers 19th-century milling technology, Texas settlement history, and water-powered industry.

Hands-on children's museum with play-based exhibits covering early literacy, numeracy, and basic science concepts.

Dallas collection of Japanese samurai armor, weapons, and artifacts — covers feudal Japanese history, military culture, and East Asian social studies.

Studio arts experience in Galveston offering hands-on creative instruction — supports visual arts curriculum through direct studio practice.

Small regional zoo with native and exotic animals — supports zoology, animal behavior, and conservation education for younger students.

Demonstration and display gardens managed by Smith County Master Gardeners — covers botany, horticulture, and native plant ecology.

Small natural-history museum featuring Permian-era fossil specimens from the surrounding Texas Red Beds — supports paleontology, geology, and prehistoric biology.

Hands-on children's museum with interactive exhibits covering early literacy, numeracy, and STEM concepts for young learners.

On-post cavalry and armor museum at Fort Cavazos (formerly Fort Hood) — U.S. Army history from WWI through modern combined-arms doctrine.

Public observatory at Cleburne State Park operated by local astronomy club — telescope optics, celestial mechanics, and observational astronomy.

Museum in Port Isabel covering Gulf Coast maritime history and treasure salvage — supports study of Spanish colonial trade, navigation, and underwater archaeology.

Audubon nature center in the Great Trinity Forest — covers riparian ecology, migratory bird study, and urban conservation.

East Texas bottomland hardwood refuge covering migratory bird habitat, floodplain ecology, and Trinity River watershed biology.

Outdoor adventure and zip-line attraction at Natural Bridge Caverns — recreational activity with minimal structured curriculum content.

Working private fish farm in East Texas — covers aquaculture practices, fish biology, and freshwater pond ecology in an operational setting.

Regional fine-arts museum with rotating and permanent exhibits — supports art history, art criticism, and visual-arts curriculum.

East Texas nature center with trails and wildlife exhibits — covers local ecology, native species identification, and environmental stewardship.

Municipal rose garden with 38,000+ labeled rose bushes — botany, plant taxonomy, and horticulture in an outdoor classroom.

East Texas state park with lake, trails, and forest habitat — covers Piney Woods ecology, freshwater biology, and native plant identification.

City park nature and visitor center adjacent to Tyrrell Park wetlands — covers coastal prairie ecology, bird identification, and local wildlife habitat.

Outdoor sculpture garden with permanent collection by Charles Umlauf — supports visual art appreciation and three-dimensional art forms.