What is the most famous U.S. national monument?

The most famous U.S. national monument is Mount Rushmore, located in the Black Hills of South Dakota. The monument features the carved faces of four U.S. presidents: George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. Created by sculptor Gutzon Borglum and completed in 1941, Mount Rushmore has become an iconic symbol of American history and democracy. The monument attracts millions of visitors annually, offering a unique glimpse into the nation’s past and the monumental artistry involved in its creation.