Why Do We Have National Monuments?

"Certain landmarks and places are so important to the history of the United States that they're designated as national monuments. The federal government vows to protect and maintain national monuments, so citizens can enjoy and learn from them for years to come. Today, there are more than 130 U.S. national monuments! Readers of this accessible book will learn these facts and more about national monuments. They'll also be introduced to several of the most famous ones through enlightening at-level text and beautiful supporting photographs"--