On Saturday, Dec. 5, The Matthews Opera House & Arts Center hosts two events during the Spearfish annual Holidazzle Parade of Lights and Christmas Stroll. Both events are free and open to the public. The art sale and open house will be 1 – 7:00 p.m. in the Art Gallery. The holiday art show and sale runs Dec. 5-26. SANTA will be upstairs in the Opera House lobby from 1-4:00 p.m.