Selling the red, orange and yellow chunks of banded rock known as Lake Superior agate requires more than just owning a collection of the beautiful semi-precious gemstones. You also need to figure ...

The glaciers' path. The best agate-hunting spots in Minnesota are apparent on a map — a map of the path glaciers took some 10,000-20,000 years ago.

Kenneth Steven combines Scottish landscape and geological history with his own poetry.

Nipigon Mayor Richard Harvey says the recognition for Agate Beach will help point visitors to the entire Lake Superior Archipelago — an area most people don't realize is one of the best cruising ...