Life size fossil diorama depicts life and death at the Agate waterhole, 19.2 million years in the past. An interactive computer tour offers visitors a glimpse of things to be seen on the monument's two trails. About 200 artifacts including beautiful bead and quill work are displayed in The James H. Cook Collection Gallery, "A Window Into Lakota Life." Preservation and protection of all of these incredibly rare pieces was obviously of utmost importance in the creation of these exhibits.
The exhibit features replicated mammal bones that are displayed in a "bed" fashion symbolizing the expansive archeological find. Digital graphic murals line the walls and immerse the visitor in natural history. Native American artifacts are preserved and attractively displayed in custom acrylic cases and specialized lighting.