Most of Minnesota and parts of Montana, North Dakota and Wisconsin were ranked “unhealthy” for air quality on a U.S. Environmental Protection Agency map.

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires.

Looking for epic hikes and ancient discoveries in North Dakota? This scenic spot delivers adventure by land and water.

Yellowstone is breathtaking, but can be crowded and expensive. This South Dakota state park is a cheaper and less crowded alternative.