We headed north of the 45th parallel this weekend, to check out the blue ice that is pushed up onto shore near the Mackinac Bridge. This phenomenon happens when conditions are just right. Long periods of cold, with ice that has not been exposed to air: when that ice breaks up, there is a blue hue on the lower side. The two photographs below are both iPhone panoramas taken on our return trip, when we stopped at Charlevoix Lighthouse. I’m always delighted to find surprises like the mini “ice caves” stuck just outside the hand rail on the lighthouse pier.