The complete guide to the national parks, national monuments and memorials, military parks and battlefields, national trails, seashores, rivers and marine conservation areas, national recreation areas, national highways, preserves and reserves of the United States Since 1872, when Yellowstone became America's inaugural national park, these protected areas have enthralled visitors from around the globe. Currently the 63 national parks attract more than 300 million visitors each year. But what is the X factor that draws people again and again to these historic places or wilderness spaces? In this comprehensive guide readers will begin to understand the character of these parks, for each is, in its own way, truly unique. . Begin with handy stats about the park's location, size, number of visitors, date established, elevation, and geology. . Explore the history of each park, including early cultures, homesteaders and settlers, commercial interests, and park advocates. . Discover popular activities, along with details on trails, landmarks, natural wonders, amenities, accommodations, and nearby attractions.