America's Monuments | Four Faces | 3

In 1927, workers began blasting granite rock off a towering cliff in South Dakota’s Black Hills. It was the start of an arduous 14-year struggle to carve the portraits of four American presidents into Mount Rushmore.The feat required grueling labor in extreme conditions. And it was led by an obsessive sculptor named Gutzon Borglum. Borglum was the creative g ... Show More