In examining the 424 units of the U.S. national park system, geographers Joe Weber and Selima Sultana focus attention on the historical geography of the system as well as its present distribution, covering the diversity of places under the control of the National Park Service (NPS). This includes the famous national parks such as the Grand Canyon, Yellowstone, and Yosemite and the lesser-known national monuments, memorials, lakeshores, seashores,...