Here you can still see the mounds left by three earthen villages of the Hidastas, who lived on the Knife River, a narrow tributary of the Missouri, for more than 900 years. The National Park Service has re-created one of the earthen lodges.
It's just north of Stanton (22 miles west of Washburn) on Hwy 200, which runs through verdant rolling prairie for 110 miles between US 83 and US 85.
Stroll through the mostly wide-open and wild site to the village site where Lewis and Clark met Sacagawea.