The 10-foot-by-16-foot model is big enough to fill the lane beneath a basketball hoop. It depicts what the Crazy Horse Memorial will look like once the mountain has been carved and buildings erected.

Crazy Horse's head has been carved for about 12 years, and the big project now is to complete the gigantic horse that he is riding. The size of the project is hard to fathom.

But Rushmore’s duality still feels simpler than the layers of significance and controversy around the monument to Crazy Horse. The unfinishedness alone makes the project fascinating: At present ...

The Crazy Horse Memorial has been in progress for decades and features a 70- foot visage of the legendary Lakota leader, as seen on June 17, 2021, in Black Hills, South Dakota.