The fourth annual Sturgeon Spectacular is underway in Fond du Lac this weekend. Fond du lac Area Convention and Visitors Bureau director Craig Molitor says there are events in downtown Fond du lac, Lakeside Park and the World Ice and Snow Sailing Championships on Lake Winnebago. Molitor says another highlight of the weekend is a snow sculpting competition in downtown Fond du Lac. A new event this year is curling. Event organizers are hoping to draw over 30,000 people to the community for the festival.