The Marianna Kistler Beach Art Museum is an art museum located on the Kansas State University campus, in Manhattan. The museum houses KSU's permanent art collection, featuring works by Kansas and regional artists, and also hosts special and traveling exhibitions. The museum boasts a collection of over 10,000 items.
The Riley County Historical Museum collects, preserves, and showcases the history of Riley County, while promoting interest in local history and the preservation of historical heritage in all its forms. Visitors can tour the Hartford House, a prefabricated house transported to Manhattan on the Hartford steamship.