Yooperlites are rocks that fluoresce under UV light. The best time to search for Yooperlites is after a storm, when waves may have unearthed new rocks along the shores of Lake Superior. Rock hunters ...
The park features sandstone cliffs, beaches, waterfalls, and over 100 miles of trails. Established as a National Lakeshore in 1966, the area boasts a rich history dating back over 10,000 years.
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