The Nebraska Sandhills is a unique region in north-central Nebraska, characterized by rolling sand dunes and grasslands. Covering approximately 19,300 square miles, it is one of the largest sand dune formations in the United States. The area is primarily composed of fine, wind-blown sand, which supports a diverse ecosystem of plants and animals. This region is home to various wildlife, including the endangered Piping Plover and the Sandhill Crane. The Sandhills also play a crucial role in the local economy, primarily through ranching and tourism. Its scenic beauty and ecological significance make it a vital part of Nebraska's natural heritage.