During the day, Michigan’s beaches are just like any other beach in the world. As a cool-warm breeze sweeps the waves, rocks from the seawater are abandoned on the shore where a visitor pays interest ...

Most people do their rock hunting during the day, but you can't find "Yooperlites" until the sun goes down. Yooperlites are rocks that fluoresce in the dark under ultraviolet light. They became known ...

Along the shoreline of Green Bay sits Michigan’s largest Yooperlite, illuminating several feet and making for an excellent photo-op to mark your Upper Peninsula adventure. Rock hounds who have been ...