The Great Lakes, the largest freshwater system in the world, are home to a diverse geological makeup spanning hundreds of millions of years. While many head to the planet's largest freshwater body of ...

Here's what to know about the Yooperlite stones and where you can find them in Michigan.

Bryan the Crystal Collector along with Erik from yooperlites.com set out on a private dig and a public tour on Lake Superior ...

How one rock hunter found The Golden Egg and made his dreams come true. Head to Michigan’s Upper Peninsula to find Yooperlites! From hunting tips to paranormal sightings, head into the dark of night ...

Erik Rintamaki, 43, of Brimley, considers himself an amateur rock hound who's been on a wild ride, all because of some beautiful fluorescent specimens. Rintamaki said he was out on a Lake Superior ...

Add Yahoo as a preferred source to see more of our stories on Google. Named for the state's Upper Peninsula (whose residents are known as "Yoopers"), these seemingly nondescript gray stones glow ...

Add Yahoo as a preferred source to see more of our stories on Google. Most people do their rock hunting during the day, but you can't find "Yooperlites" until the sun goes down. Yooperlites are rocks ...

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 ...