Mount Rushmore National Memorial is situated near Keystone, South Dakota. The mountain was named after Charles E. Rushmore, a New York City Attorney. He was in the area in 1885.The memorial sculpture was designed by Gutzon Borglum (1867–1941). Four hundred workers helped him to carve out the heads over a fourteen year period. They were finished on the 4th of October, 1941. The sculptures are approximately 18 metres high and feature the faces of four  former United States presidents. They are from left to right: George Washington (1732–1799), Thomas Jefferson (1743–1826), Theodore Roosevelt (1858–1919), and Abraham Lincoln (1809–1865). The park is managed by the USA National Park Service. Approximately two million people visit the park annually. It is one of the USA's most famous icons.