Lake Ontario, one of the region's five Great Lakes, is the only one that doesn't border Michigan. Here's what to know.

Because it's pretty much impossible for ships to navigate the part of the Niagara River that literally falls off a cliff ...

Lake Ontario may be the only Great Lake not bordering ... canals and locks that allows ocean-going ships to travel from the Gulf of St. Lawrence on Canada's east coast all the way to Duluth ...