Lake Huron’s Thunder Bay sits in the middle of the Great Lakes waterway system, where navigational hazards and storms have left a trail of shipwrecks. Deputy editor Samir S. Patel visited “Shipwreck Alley” for ARCHAEOLOGY's January/February 2015 issue and dove with underwater archaeologists who are documenting centuries worth of well-preserved vessels—each a key part of the history of shipping on the lakes and the settlement and industrialization of the American continent. Below are images of some of these extraordinary vessels.