Classified for credit

Archaeological plantation site with exhibits on enslaved and free African American life in Texas — covers antebellum history, Reconstruction, and African American heritage.

Short-line excursion railroad in the Texas Hill Country — covers the history of rail transportation and its role in developing 19th-century Texas communities.

East Texas arboretum and nature center with labeled tree collections and native plant trails — covers dendrology, regional botany, and ecology through guided and self-directed outdoor study.

Regional fine-arts museum with rotating and permanent exhibitions covering painting, sculpture, and visual arts history.

Hands-on science and natural-wonder attraction in downtown Longview — covers physical science, geology, and life science exhibits.

Texas state natural area renowned for bigtooth maple fall foliage and spring-fed streams — supports plant biology, riparian ecology, and Texas Hill Country geography.

Formal rose garden within Fort Worth Botanic Garden — supports plant biology, horticulture, and pollinator ecology study.

National Historic Landmark archaeological site with 12,000 years of human habitation evidence — covers paleoanthropology and prehistoric cultures.

Restored 1875 Territorial-era adobe mansion in El Paso — covers Southwest borderland history, Mexican-American culture, and late 19th-century Texas frontier society.

Working maple farm offering tours on sap collection and syrup production — covers plant biology, agricultural chemistry, and food science.

Abandoned quicksilver mine in Big Bend National Park — covers early 20th-century mining history, mercury extraction, and borderland industrial geography.

Texas railroad museum with rolling stock and equipment — covers railroad history, industrial development of the American Southwest, and basic mechanical engineering.

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.

Campus planetarium offering curriculum-aligned sky shows covering astronomy, the solar system, and space science.

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.

SMU-affiliated museum specializing in Spanish and Latin American art — covers European and Latin American art history and cultural exchange from the 15th century forward.

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.