When Michigan's many lakes and rivers form ice, it can be hard to stay away. Some ice isn't worth stepping onto, experts say.

The bright blue ice cream has a marshmallow-flavored ice ... “The blue comes from using spirulina, a natural ingredient, and this results in a beautiful cloud-like color that resembles our ...

Shards of blue-tinged ice, pushed by water current and wind ... and state park information on the Minnesota Department of Natural Resources' website. Lisa Meyers McClintick of St.