It's hard not to fall in love with this Lake Huron gem.An aerial view of Mackinac Island.Credit: Wiltser/Getty ImagesMackinak Island, MichiganCheck in to The Inn at Stonecliffe, a fully renovated, historic hotel set on a hill two miles from downtown.Visit Fort Mackinac for costumed reenactments that bring the frontier military days to vivid life.Forge a knife from a railroad spike at Forge a Memory, a blacksmith shop run by a “Forged in Fire” co…