Permanent natural history exhibits feature items from shells to mastodon bones, African antelope to Peruvian textiles. Changing exhibits highlight a variety of cultural and international themes. Call ahead to visit the nearby Marshall Center School, a restored 1893
Exhibit shows how ice was harvested from the Cedar River from the late 1800s to early 1900s. Farm machinery, automobiles, and various exhibits show how work was done in that era by man, woman, and horse power. Listed on National Register of Historic Places.