The Crazy Horse Memorial plans to celebrate Native American Day on Monday with a weather permitting mountain blast and a free buffalo stew luncheon.
Other activities and programs include Native American singers, dancers, artists and storytellers, the South Dakota Symphony's Lakota Music Project and an educational program.
The memorial is a mountain carving in progress that will honor Oglala Lakota warrior Crazy Horse. Work on the sculpture began in 1948.
South Dakota is the only U.S. state that celebrates Native American Day. Others observe the day as Columbus Day.