Great Lakes form a single, naturally interconnected body of fresh water, within the Great Lakes Basin. They form a chain connecting the east-central interior of North America to the Atlantic Ocean. From the interior to the outlet at the Saint Lawrence River, water flows from Superior to Huron and Michigan, southward to Erie, and finally northward to Lake Ontario. The lakes drain a large watershed via many rivers, and are studded with approximately 35,000 islands. There are also several thousand smaller lakes, often called "inland lakes," within the basin. The surface area of the five primary lakes combined is roughly equal to
Marine Museum of the Great Lakes Marine Museum of the Great Lakes The Marine Museum of the Great Lakes moved from the 1892 Kingston Dry Dock, a national historic site in Kingston, Ontario, Canada, when the federal government sold the property in 2016. The museum galleries are closed and the collections have been moved into storage until the museum finds a new property to reopen to the public. The Marine Museum office has moved to 53 Yonge Street, Kingston, Ontario. Once an important construction and repair facility for ships on the Great Lakes, the Kingston Dry Dock was constructed in 1890 by the Canadian federal government