These photos of lakes, rivers, and straits represent the entire length of the vast
St. Lawrence Seaway, which lets ocean-class freighters sail from Chicago and
Duluth/Superior all the way to the Atlantic Ocean.  Great Lakes, Grand Lands
photos are (generally) organized as a “downstream tour”, starting even farther
north than Lake Superior and ending at the Atlantic Ocean.

Lake Nipigon

Lake Superior

St. Marys River

Lake Huron

Straits of Mackinac

Lake Michigan

St.Clair & Detroit Rivers

Lake Erie

Niagara River

Lake Ontario

Finger Lakes

St. Lawrence