With more than 129 miles surveyed, Jewel Cave is recognized as the third longest cave in the world. Airflow within its passages indicates a vast area yet to be explored.
Located in southwestern South Dakota, Badlands National Park consists of 244, 000 acres of sharply eroded buttes, pinnacles and spires blended with the largest, protected mixed grass prairie in the United States.
The four figures carved in stone on Mount Rushmore represent the first 150 years of American history. The birth of our nation was guided by the vision and courage of George Washington.
One of the world's longest and most complex caves and 28, 295 acres of mixed-grass prairie, ponderosa pine forest, and associated wildlife are the main features of the park.
The public lands of Huron Wetland Management District (WMD), called Waterfowl Production Areas (WPAs), are a part of the National Wildlife Refuge System. National wildlife refuges and WPAs are vitally important to wildlife and people.
The Lake Andes National Wildlife Refuge Complex consists of Lake Andes and Karl E. Mundt National Wildlife Refuges (NWR) and Lake Andes Wetland Management District (WMD). The Complex headquarters is located on the east side of Lake Andes.
Congress established Sand Lake National Wildlife Refuge (NWR) in 1935 as a "refuge and breeding grounds for migratory birds and other wildlife.
Waubay National Wildlife Refuge (NWR) was established in 1935 as a safe haven and breeding ground for migratory birds and other wildlife. "Waubay, " in the Lakota Sioux language, means "a place where numbers of birds make their nests.
This Missouri River lake provides a tree-covered shoreline characterized by picturesque chalky bluffs in the lower segment and a beautiful view of the Missouri Valley in the upper reach.
Oahe Dam, SD takes its name from the Oahe Indian Mission established among the Lakota Sioux Indians in 1874.