At first glance, Yooperlites appear to be normal, gray rocks but are rich with fluorescent sodalite and glow vibrant orange ...

Watch as a rare fluorescent treasure hunt unfolds on the shores of Lake Superior where ordinary rocks hide a dazzling secret under UV light. Erik Rintamaki, a tour guide from Michigan, USA, takes ...

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 Whitefish Point.

The boat was north of Grand Marais, in the Upper Peninsula's Lake Superior, when it called in a distress signal that the boat was taking on water. The four people in the boat were rescued and the ...

The beaches at Grand Marais are excellent hunting grounds for the ancient Lake Superior agate, a semi-precious stone made up of concentric circles of microcrystaline quartz reddened by iron. Here’s ...

Lake Erie Fluorescent Mineral Hunters founder Justin Lynn coined the term “neolites” for Lake Erie’s UV light-activated rocks. Lynn lived in the Upper Peninsula of Michigan where he managed hotels. It ...

Filmmakers and researchers are using drones to explore an underwater mountain in Lake Superior. They want to see if Superior Shoal is a hotbed for aquatic life that could offer a refuge for ...