What are physical landmarks in the US?

Physical landmarks in the U.S. include natural features such as mountains, rivers, and canyons that are notable for their beauty or significance. Examples include the Grand Canyon in Arizona, the Rocky Mountains stretching from New Mexico to Canada, and the Mississippi River, which is one of the longest rivers in North America. Additionally, iconic sites like Mount Rushmore and Niagara falls serve as both natural and cultural landmarks. These features not only define the landscape but also attract millions of visitors each year.