Located in the Black Hills the Crazy Horse monument is not far from Mount Rushmore in South Dakota. Crazy Horse is the largest monument ever undertaken. Crazy Horse the world's largest sculpture has been in progress since 1947 when sculptor Korczak Ziolkowski (1908-1982) arrived in the Black Hills of South Dakota to accept the Indians invitation to carve a mountain. The Memorial is not a federal or state project. The project is being continued by Korczak's wife, Ruth, and their large family. ..