Jim Nepstad, superintendent of Effigy Mounds National Monument in northeast Iowa, stands at the top of a bluff looking over the Mississippi River. Clay Masters/NPR hide caption

itoggle caption Clay Masters/NPR

Native American protesters have been demonstrating against Columbus Day in Seattle for several years. Protest organizers say Columbus should not be credited with discovering the Western Hemisphere at a time when it was already inhabited. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

Sherman is still experimenting with the type of food he'll serve in the restaurant. Recently he made this walleye filet with sumac and maple sugar, a white bean and smoked walleye croquette and toasted hominy. Becca Dilley/Courtesy of Heavytable.com hide caption

itoggle caption Becca Dilley/Courtesy of Heavytable.com

Columbus Day will be designated as Indigenous Peoples Day in Minneapolis, which has become one of several U.S. cities to make the change. Here, a member of the Cowichan Tribes holds her hand up in prayer during a 2011 Native American protest against Columbus Day in Seattle. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

This October 2011 photo of "Baby Veronica" provided by her adoptive mother, Melanie Capobianco, shows Veronica trick-or-treating. The child has been the focus of a custody battle that hinges on a law meant to keep state workers from removing Native American children from their relatives and placing the children into white foster families. Melanie Capobianco/AP hide caption

itoggle caption Melanie Capobianco/AP