Waterproof Tear-Resistant Travel Map. National Geographic's Destination Maps of National Forests and Grasslands of the United States highlights the 154 national forests and 20 national grasslands across America. The country is represented in subtle earth-tones with shaded mountain relief and intricately drawn river systems. Photos capture some of the diverse landscapes preserved and protected by the national forest system. A list of all forest service and grasslands units, sorted by region, is also included to help you find the closest recreational opportuinity. The National Park and National Forest Map Pack Includes: National Parks of the United States National Forests and Grasslands of the United States Every Destination Map is printed on durable synthetic paper, making them waterproof, tear-resistant and tough - capable of withstanding the rigors of any kind of travel.