National Park Service
Texas National Park Sites
| National Historical Parks: | Lyndon B. Johnson | National Parks: | Big Bend |
| Palo Alto Battlefield | Guadalupe Mountains | ||
| San Antonio Missions | National Preserves: | Big Thicket | |
| National Historic Sites: | Fort Davis | National Recreation Area: | Amistad |
| National Memorials: | Chazimal | Lake Meredith | |
| National Monuments: | Alibates Flint Quarries | Wild & Scenic Rivers: | Rio Grande |
| Waco Mammoth | National Historic Trails (Non-Unit): | Butterfield Overland (MS) | |
| National Seashores: | Padre Island | El Camino Real De Los Tejas (MS) |