We Coloradans tend to be obsessed with the Continental Divide. We speak of being on the Eastern Slope or the Western Slope. We name businesses etc. after it.
It runs through other parts of North America as well—see the red line on the map below.
Homeward bound from a recent trip to North Dakota, I paid tribute to another divide as I crossed from the Arctic back into the Atlantic (Gulf of Mexico) watersheds by visiting a geocache placed to mark it.
Here is a closeup of that area. I was right where the medium brown meets the light brown in southeastern North Dakota.
And here is the view from the divide, looking to the southwest, a typical scene of soybean field and slough full of waterfowl: