Whether you’re looking for a grand adventure or seeking the solace and serenity of nature, you can find it all in America’s National Parks. From towering mountain ranges to peaceful rivers, to mossy groves and some of the best hiking trails on earth, the national park system has it all – even taking the form of man-made structures in metropolitan areas. Plan a horseback riding, camping, or rafting trip at one of the many historical sites filled with natural beauty. We’ve rounded up some of the most popular National Park destinations in the continental United States.