The best views of Pictured Rocks arches and sandstone is from the water, but rangers warn you must be outfitted for the ...

The elusive Lake Superior agate. Rockhounds scour Lake Superior’s shoreline for these rare banded beauties—from the western reaches of the Keweenaw Peninsula to the U.P.’s easternmost ...

The rock is lighter gray than the dark basalt that's more prevalent along the North Shore of Lake Superior. Both types of lava rock formed about 1.1 billion years ago, icelandite is relatively ...

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 ...

Our kayaks sliced through the thick fog that blanketed Lake Superior, erasing any view of Split Rock Lighthouse towering on the cliffside ahead. We paddled past one of Minnesota's most ...