The IXL Historical Museum is a historic office building, residence, and museum complex in Hermansville, Michigan, United States. The main building was constructed as the headquarters for the Wisconsin Land & Lumber Company before it became a museum. The museum was organized in 1982, and the main building, also known as the Wisconsin Land and Lumber Company Office, was deignated a Michigan State Historic Site in 1973 and listed on the National Register of Historic Places in 1991.