Known for their integrated colors and patterns, collectors are often amazed at agates that wind up on Upper Peninsula lakeshores. Known for its diversity and beauty, an agate stone is a form of quartz ...

Timing can be everything when it comes to finding Lake Superior agates. "It's like treasure hunting," says Butch Goldenstein of St. Cloud, an agate enthusiast who manned a table at the annual Agate ...

DULUTH — About 1.1 billion years ago here, fissures opened in the surface of the earth, depositing lakes of molten rock near what would eventually be the Twin Ports and Lake Superior. This is ...

SAUK RAPIDS, Minn. -- For Lyndon Johnson, treasures can be found anywhere -- one just has to train his or her eye. "I know when to look and where, and where to look when," Johnson said with a smile.

It takes a trained and disciplined eye to find some of nature's hidden treasures. After more than 50 years' experience, mine is pretty good at finding morel mushrooms, which have a knack for ...

GRAND MARAIS, Minn. — Among the many pastimes popular in Minnesota is agate hunting -- scanning the shores of Lake Superior for the official state gemstone. Relatively easy to find in the summer when ...

Thanks to fire and ice, treasures abound. This summer, agate collectors are on the hunt in eastern Minnesota and western Wisconsin, searching for rocks that can fetch as much as thousands of dollars ...