National Monuments & Historical Sites

List of famous historical monuments and national historic sites in Delaware, Colorado, Ohio, New York and other US states. Every year, millions of people visit national parks throughout the world. Many plan entire vacations around their visits. Countless others remember national parks through slides, photographs, movies, paintings, and books. To most of these people, a national park is an ideal. National parks represent the most beautiful and scenic places on earth whose ecosystems are maintained and protected in fairly natural conditions. Though official national parks were not formally established until the late 19th century, parks have existed for centuries. Wildlife refuges protect a nucleus of diminishing species and improve their habitat so they will breed and grow in number. The sites included herein relate to monuments and historical sites.