Department of the Interior

About Department of the Interior

The Department of the Interior is a U.S. federal government agency charged with protecting and managing the nation’s natural resources and cultural heritage. It oversees land and water resources, conservation programs, and scientific research, with a mission to steward public lands, wildlife, and cultural sites. The department engages with Native American tribes, manages national parks and territories, and advances energy development and environmental stewardship across the United States. Its headquarters and operations span nationwide, including bureaus like the National Park Service, U.S. Geological Survey, and Bureau of Land Management.