ALTON - Community members can enjoy a day of free activities, crafts, demonstrations and recreational fun at the National Great Rivers Museum.From 10 a.m. to 2 p.m. on Saturday, Feb. 21, 2026, the National Great Rivers Museum (NGRM) and the U.S. Army Corps of Engineers will host their fifth annual Ice Jam at the Dam. This event encourages people of all ages to visit with different organizations, complete activities, and learn more about winter recreation and safety.“It’s all about co...