Gutzon Borglum start work sculpting Mount Rushmore.

Between October 4, 1927, and October 31, 1941, Gutzon Borglum and 400 workers sculpted the colossal 60 foot high carvings of U.S. presidents, namely, George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln to represent the first 130 years of American history. It 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. Mount Rushmore has become an iconic symbol of the United States, and attracts two million people who visited the place annually. It has also appeared in works of fiction and has been discussed or depicted in other popular works.