The cement plant in Alpena is the largest in the world.The state is a leading producer of magnesium compounds and peat. It is second in the production of iron and gypsum. The limestone quarry in Rogers City is the largest in the world.Michigan's nickname is the “Wolverine State” yet there are no wolverines in the state anymore.With two peninsulas, the lower and higher peninsula, the state is one of a kind.The state's freshwater coastline is the largest in the world. There are 64,980 ponds and inland lakes.The state has a post office that floats. This is the only post office of its kind.Second to Alaska, it has the longest shoreline.The state has 83 counties, 276 cities, and 257 towns.