Mount Rushmore National Memorial is a sculpture carved into the granite face of Mount Rushmore, a granite batholith formation in the Black Hills in Keystone, South Dakota, United States. Sculpted by Danish-American Gutzon Borglum and his son, Lincoln Borglum, Mount Rushmore features 60-foot (18 m) sculptures of the heads of four United States presidents: George Washington (1732–1799), Thomas Jefferson (1743–1826), Theodore Roosevelt (1858–1919), and Abraham Lincoln (1809–1865).[2] The entire memorial covers 1,278.45 acres (2.00 sq mi; 5.17 km2)[3] and is 5,725 feet (1,745 m) above sea level.[4]