The Queen’s University Biological Station is celebrating 80 years! Established in 1945, it is now among the top scientific field stations in Canada. They encompass 3,240 hectares (8,000 acres) of flora, fauna and habitat for leading-edge research and field courses. For Doors Open, take a special field walk from 10 a.m. to noon on August 16 only. Pre-registration required. (Photo: Allen Tian)