Mount Rushmore wasn’t really his idea. Robinson conceived the original concept in a bid to boost tourism. As it sits in the sacred land of the Lakota Sioux Nation in the Black Hills of South Dakota, ...

(Underwood & Underwood / Corbis) In the 1920s, despite the area’s atrocious roads, a fair number of adventurous travelers were visiting South Dakota’s Black Hills. But Doane Robinson, the official ...