There are 21 National Natural Landmarks in Texas.

Name Image Date Location County Ownership Description Attwater Prairie Chicken Preserve Colorado federal/US Fish & Wildlife Service Contains the only significant segment of gulf coastal prairie. Bayside Resaca Area Cameron federal/US Fish & Wildlife Service Located in Laguna Atascosa National Wildlife Refuge, contains an excellent example of a resaca. Catfish Creek Anderson state/Texas Department of Parks and Wildlife One of the few remaining undisturbed riparian habitats in the western Gulf Coastal Plain Caverns of Sonora Sutton private Contains unusual formations, such as bladed helictites and coralloid growths Devil's Sinkhole Edwards state/Texas Department of Parks and Wildlife A deep, bell-shaped, collapsed limestone sink. Dinosaur Valley State Park Somervell state/Texas Department of Parks and Wildlife The only known source of distinct and full-grown sauropod footprints. Ezell's Cave Hays private Houses at least 36 species of cave fauna. Enchanted Rock Gillespie, Llano state/Texas Department of Parks and Wildlife A classic illustration of a batholith and of the exfoliation process. Fort Worth Nature Center and Refuge Tarrant municipal/City of Fort Worth Contains outstanding examples of the unique oak-hickory forest associations called cross timbers. Greenwood Canyon Montague private A rich source of early Cretaceous mammalian fossils. High Plains Natural Area Randall federal/US Fish & Wildlife Service One of the best developed, least disturbed natural shortgrass climax communities remaining in the Great Plains. Part of Buffalo Lake National Wildlife Refuge. Independence Creek Preserve2024Terrellprivate Little Blanco River Bluff Blanco private An unspoiled example of the limestone bluff communities of the Edwards Plateau. Longhorn Cavern Burnet state/Texas Department of Parks and Wildlife State park contains an outstanding example of cave features formed during the phreatic phase of development. Lost Maples State Natural Area Bandera, Real state/Texas Department of Parks and Wildlife An excellent illustration of Edwards Plateau flora and fauna. Muleshoe National Wildlife Refuge Bailey federal/US Fish & Wildlife Service Saline lake beds, and shortgrass grama grasslands characteristic of the high plains. Odessa Meteor Crater Ector county Contains two meteorite impact craters. The largest is in diameter. Palo Duro Canyon State Park Armstrong, Randall state/Texas Department of Parks and Wildlife Spectacular canyon that is an excellent example of a landform created by running water. Santa Ana National Wildlife Refuge Hidalgo federal/US Fish & Wildlife Service A living museum of the lowland forested area of the Lower Rio Grande Valley. Natural Bridge Caverns Comal private A multilevel cavern system containing unusual speleothems and intricate helictites. Cave Without a Name Kendall private Contains rare and nationally outstanding examples of speleothems.

See also

List of National Historic Landmarks in Texas

References