Thunder Bay National Marine Sanctuary

Thunder Bay National Marine Sanctuary encompasses 4,300 square miles of Lake Huron, protecting one of America's best-preserved and nationally-significant collections of shipwrecks. Lake Huron's unpredictable weather and rocky shoals helped Thunder Bay earn the unfortunate name of "Shipwreck Alley." During the Great Lakes' 200-year shipping history, scores of vessels ended their careers on the...