Have you ever wondered where in America you can find bison or manatees? Are you curious how old the Grand Canyon is, or how much water shots out of Yellowstone's biggest geysers? This book introduces you to the exciting history and ecology of 56 of America's national parks, historic sites, and official wildlife refuges. Released to coincide with the U.S. mint's new quarters program, this book allows you to learn about the parks as you collect the quarters depicting them. Filled with photos and fast facts to teach you everything you need to be an expert on our national parks!.