There are 5 National Natural Landmarks in Nebraska.
Name Image Date Location County Ownership Description Ashfall Fossil Beds Orchard Antelope state historical park A rare example of a lagerstätten, a thick bed of volcanic ash, contains hundreds of extraordinarily complete skeletons of extinct mammals. Dissected Loess Plains Lincoln mixed- state, private Eroded canyons and deep valleys in loess deposits over thick Fontenelle Forest Sarpy private The largest virgin forest in Nebraska. Nebraska Sand Hills Nebraska mixed- state, private The largest sand dunes complex in the Western Hemisphere. Valentine National Wildlife Refuge Cherry federal Sandhill tall grass prairie ecosystem unique to the central Great Plains.
See also
List of National Historic Landmarks in Nebraska