Mount Rushmore is located at Pennington County, South Dakota, United States. It is famously known for the sculpture containing the sculptures of the heads of four (4) United States presidents namely: George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. It was the historian Doane Robinson who conceived the idea of sculpting the granite face of Mount Rushmore in 1923 in order to promote tourism in South Dakota.
It was President Coolidge who insisted that two more Republicans and one Democrat be added to the original plan alongside George Washington. The carving started four years after 1923 and ended in 1941, with Gultzon Borglum as the sculptor. The construction of the Mount Rushmore National Memorial improved tourism in South Dakota with more than 2 million people visitors each year.