Celebrate fall with art, history and hay rides. From 10 a.m. to 1 p.m. in the exhibit hall, sample local food and create fall-themed art. At 10:30 a.m., enjoy Idaho folk songs by John Thomsen. Then take a hay ride tour on the outskirts of the wastewater treatment plant at 12:30 and 1:30 p.m. Free. Call 608-7300 for more information.