Their Museum of the Cherokee Indian in Cherokee, North Carolina exhibits an extensive collection of artifacts and items of historical and cultural interest, from the Woodland and early South Appalachian Mississippian culture periods, of which there are remains such as numerous [platform mounds] in the area, to the Cherokee culture developed by the 16th and 17th centuries by the Cherokee. . They are an Iroquoian-speaking people, related by language to those nations in the Iroquois Confederacy and other Iroquoian-speaking groups traditionally occupying territory around the Great Lakes.