National Park Service is a bureau within the United States Department of the Interior. The bureau preserves and protects national parks located throughout the United States. It formulates policies, regulations, budgets and strategies. It undertakes services for several parks, such as Alagnak Wild River, Alaska Public Lands, Denali Park & Reserve, Katmai National Park & Reserve, Noatak National Reserve and Sitka National Historical Park. National Park Service also provides preservation services for various historical and cultural places. The bureau preserves and protects Coronado National Memorial, Chiricahua National Monument, Montezuma Castle National Monument and Pipe Spring National Monument. It also offers resource, facility and financial management services. In addition, the bureau provides educational services to visitors. National Park Service is located in King of Prussia, Pa.