Celebrate the oldest wooden structure in St. Clair County at the Fort Gratiot Hospital Heritage Day at the Fort Gratiot Light Station. Take in a ball game, watch a blacksmith at work, enter a raffle and snack on some delicious food truck snacks! Learn all about the history of the hospital in an all new lecture some of the leading researchers and archeologists who rediscovered Fort Gratiot. Everything one could want for a leisurely Sunday afternoon! And before you leave, take a climb to the top of Michigan’s oldest Lighthouse!