2. Scotts Bluff National Monument – Scottsbluff, Nebraska
Towering 800 feet above the North Platte River, Scotts Bluff National Monument has served as a landmark for peoples from Native Americans to emigrants on the Oregon, California and Mormon Trails to modern travelers. Rich with geological and paleontological history as well as human history, there is much to discover while exploring the 3,000 acres of Scotts Bluff National Monument.