Christmas on the Prairie Written on 10 December 2015. Christmas on the Prairie Open House Events at the Overland Trail Museum Tuesday, December 15 Thursday, December 17 Tuesday, December 22 (5 - 7 pm each evening) These are festive and free events that feature musical entertainment, decorated buildings, carolers, a spectacular Christmas light display, cookies, apple cider, and roasted chestnuts! For more information, call 970-522-3895.