• Blanco State Park
• Brazos Bend State Park
• Caddo Lake State Park
• Choke Canyon State Park
• Colorado Bend State Park
• Daingerfield State Park
• Dinosaur Valley State Park
• Fairfield Lake State Park
• Fort Boggy State Park
• Garner State Park
• Galveston Island State Park
• Goliad State Park
• Goose Island State Park
• Guadalupe River State Park
• Huntsville State Park
• Inks Lake State Park
• Lake Bob Sandlin State Park
• Lake Livingston State Park
• Lake Mineral Wells State Park
• Longhorn Cavern State Park
• Lost Maples Natural Area
• Martin Creek Lake State Park
• Martin Dies Jr. State Park
• McKinney Falls State Park
• Meridian State Park
• Mustang Island State Park
• Palmetto State Park
• Pedernales Falls State Park
• Sheldon Lake State Park
• Tyler State Park
• Sea Rim State Park
• Village Creek State Park
• Big Bend National Park
• Guadalupe Mountains National Park
• Padre Island National Seashore
• Armand Bayou Nature Center
• Houston Arboretum & Nature Center
• Lake Houston Wilderness Park
• Mercer Arboretum & Botanical Gardens
• Anahuac NWR
• Aransas NWR
• Balcones Canyonlands NWR
• Brazoria NWR
• Caddo Lake NWR
• McFaddin NWR
• San Bernard NWR
• Texas Point NWR
• Trinity River NWR
• Bolivar Flats Shorebird Sanctuary
• Boy Scout Woods Bird Sanctuary
• Sabine Woods Sanctuary
• Smith Oaks & The Rookery