Ice was heard cracking on the shore of Lake Superior on Saturday, April 5, as sunlight glistened off the frozen coastal area. Cheryl Koval filmed on a clear day from Ashland, Wisconsin.

Surfing on the Great Lakes can be brutally cold. But nature is everywhere. Here, you can watch near-frozen 'slurpee' waves on Lake Michigan.

The illusion is called a "superior mirage" — a phenomenon where shifting temperatures over the water bends light waves so people can see objects that are much further away.

Lake Superior has only frozen over completely once since 1973, according to NOAA. The lake had 100% ice cover in 1996. Lake Michigan's ice cover high was 93.2% in 2104.

Dangerous swimming conditions are expected in Lakes Michigan, Huron, and Superior due to large waves and strong currents. A high swim risk is in effect for Lake Superior beaches in Marquette and ...

Drone captures children playing on frozen Lake Michigan A drone photographer filmed two children and an adult sitting on the edge of the ice covering Lake Michigan on Saturday, January 18, wanting ...