These are the most popular stories on Lake Huron from the PBS series "Great Lakes Indepth". Featured are profiles of the largest ships lost in Lake Huron- the Morrell, Nordmeer and Cedarville. Also a visit to Tobermory, Ontario & the wrecks of the Niagara II and Arabia. NOAA's efforts in the Thunder Bay National Marine Sanctuary are also highlighted, as are the Michigan Preserves at the Thumb, Sanilac Shores, and DeTour. Shipwrecks include the Grecian, Norman, Typo, Philadelphia, John Merrill, Mary Alice B., Regina, Price, and Wexford. DVD, 60 minutes