Classified for credit

Arboretum and botanical garden with labeled plant collections — covers plant biology, ecology, and regional flora identification.

Historic 19th-century grist mill on the San Marcos River — demonstrates water-powered milling mechanics and the role of mills in Texas frontier settlement.

City botanical garden with themed gardens including a butterfly trail and prehistoric garden — plant taxonomy, pollinator ecology, and Central Texas native species.

Austin botanical garden with diverse themed gardens — covers plant taxonomy, Texas native ecology, and sustainable horticulture.

Urban nature preserve along Barton Creek with trails and native habitat — supports ecology, native plant and wildlife identification, and outdoor physical education.

Restored 1904 railroad depot in Kingsville, TX — covers South Texas ranching and rail transportation history of the early 20th century.

Preserved office of mid-century modernist architect Alden B. Dow — architectural history and organic design principles.

Local heritage center documenting the founding and growth of Allen, TX — covers community history, civic development, and primary-source research skills.

Log cabin and antique tool collection illustrating 19th-century Texas pioneer life — hands-on historical technology and early settlement studies.

Campus arboretum with labeled tree and plant collections — supports dendrology, botany, and local ecosystem study.

Restaurant with large aquarium tanks displaying marine species — limited formal curriculum content; basic fish biology and marine habitat observation only.

Local historical society preserving Arlington, TX settlement and development history — covers Texas regional history and primary-source civics.

Small county history museum in the Texas Panhandle — local ranching, settlement, and Plains history with primary artifacts.

Angelo State University museum with regional West Texas and fine-art collections — supports art history and cultural studies of the Concho Valley region.

Museum inside a historic Texas appellate courthouse — covers the state judicial system, rule of law, and Texas legal history.

Small local history museum covering Azle, TX settlement, community development, and regional heritage.

County historical society museum covering Bastrop's settlement and Texas history — supports Texas state history and primary-source document study.

Indoor laser-tag and battle-games entertainment center — no meaningful curriculum hook; recreational use only.

Regional museum in the Bay Area of Texas covering Gulf Coast history, local heritage, and community development along the upper Texas coast.

Local museum in Baytown, TX covering the history of the Goose Creek/Baytown oil-boom community and Gulf Coast industrial development.

Small museum documenting the history of the Beaumont Police Department — covers local law enforcement history and criminal justice as a social institution.

County museum covering Bell County settlement, Civil War Texas, and frontier-era community life through local artifacts.

National Historic Site preserving a segregation-era Mexican school in Marfa — covers civil rights history and school desegregation in the Southwest.

Local history museum in Clifton, TX covering Central Texas Norwegian immigrant settlement, pioneer life, and Bosque County heritage.