On this day in 1941 Mount Rushmore was completed. The memorial was sculpted by Gutzon Borglum and his son Lincoln Borglum. The entire memorial covers 1,278.45 acres and is 5725 feet above sea level. The four sculptured heads on Mount Rushmore are of four famous United States Presidents- George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln. The work on the memorial began October 4th, 1927.