This activity challenges students to look at different pictures of national park sites and try to guess which park the picture represents. The pictures page gives a distinguishing feature of each park and an interesting fact to help students match to the list of possible choices. Background The National Park Service (NPS) is an agency of the United States federal government. It was created in the Organic Act of 1916. The new agency’s mission was: "....t o conserve the scenery and the natural and historic objects and the wild life therein and to provide for the enjoyment of the same in such man Duration: 60 Minutes.