These gray rocks don’t look like much until you shine UV light on them. Suddenly you’ll see the fluorescent sodalite in them light up orange and yellow. Not all sodalite glows, but Yooperlites are ...

MUNISING, MI -- The changing seasons open up a window for funky fungi to take hold as trees decay and new life blooms on the fallen trunks. In the Upper Peninsula, park rangers at Pictured Rocks ...

Even though they’re found in the Great Lakes, Petoskey stones are actually fossilized coral. You can tell a Petoskey stone by its honeycomb pattern (in fact, the word “hexagon” is part of the ...

Among the many treasures to be found on Michigan beaches, Leland Blue has quickly become one of the most beloved. The stone — which comes in brilliant shades of blue with a tumbled, pockmarked surface ...