- 260 Copper Culture Way, Oconto, WI 54153
Copper Culture Museum is a historical museum showcasing the Old Copper Culture people, early inhabitants of Wisconsin who lived in the Middle Archaic period, likely between 5500 and 5600 BC. These people made a variety of jewelry, tools and other implements out of copper.
The property contains an Archaic burial cemetery considered to be the oldest known burial site in Wisconsin, and one of only four of its kind known today. The Museum was placed on the National Register of Historic Places in 1962. The Museum is located in the Copper Culture State Park and is open from Memorial Day through Labor Day.