Columbus is the capital and largest city of the U.S. state of Ohio, with a population of 835,957. The Columbus Museum of Art opened in 1931, and has a collection focusing on European and American art up to early modernism. COSI Columbus, (Center of Science and Industry), is a large science museum. The Columbus and Franklin County Metropolitan Park District includes Inniswood Metro Gardens, a collection of public gardens; Highbanks Metro Park; Battelle-Darby Creek Metro Park; as well as many others. Annual festivities in Columbus include the Ohio State Fair the Columbus Arts festival and the Jazz and Ribs Festival.