One of the most visited sweet spots in Wisconsin, Door County is that thumb jutting out into Lake Michigan. It’s famous for its cherry growers and fish boils, as well as the long coastline and natural beauty. Throw in historic lighthouses, sea kayaking, hiking, camping, charter fishing (salmon and trout), totally local dining (no fast food joints north of Sturgeon Bay), theater and arts, breweries, wineries, and cideries, and even an old-school drive-in theater, and you’ve got a vacation wonderland. Choose Your Side Door County begins 20 minutes northeast of the city of Green Bay (two hours north of Milwaukee), but many travelers have the mistaken notion that the county lies beyond Sturgeon Bay (city and bay), where a natural bay and shipping canal cut off the upper part of the peninsula from the mainland. Three bridges cross here. That narrowing northern portion has a highway up each side, with …