MT Rushmore, South Dakota

2015

Harold Spitznagel and Cecil Doty designed the original visitor center, finished in 1957, as part of the Mission 66 effort to improve visitors' facilities at national parks and monuments across the country.[49][50] Ten years of redevelopment work culminated with the completion of extensive visitor facilities and sidewalks in 1998, such as a Visitor Center, the Lincoln Borglum Museum, and the Presidential Trail.