More state parks continue up the shore to the Canadian border. Of course, there's plenty more to be seen across the border and well worth the time, but give yourself a week or more if you intend to round the entire lake . Some communities or regions such as Silver Bay or Lake county have more detailed information online. It is still accessed primarily by canoes or kayaks. Also an hour or two inland from Superior is the iron range area.
Iron ore is still mined but many of the old pits have been transformed.
Some are lakes, some function as winter ski areas. Of course Minnesota is known for its '10,000 lakes'. Natural 'inland lakes' lakes with summertime tempertures more suitable for water sports than Superior such as Lake Vermillion abound in those nearby areas of northeasten Minnesota. Cabins, lodges, and resorts of all flavors can be found. The South Shore of Lake Superior has more sandy beaches than the north but except at very protected locations is still generally too cold for most swimmers.