The Cook County Historical Society is hosting an Open House at the Johnson Heritage Post - Art Gallery. Meet the new staff and board members, and learn about future plans for the historic sites and art gallery. All five sites will be open for visits: Lightkeeper's House and Museum, Bally Blacksmith Shop, St. Francis Xavier Church, a 1930s fish house replica with fishing tug Neegee, in addition to refreshments and activities at the Heritage Post.