The Greenstone Flow alone pooled to some 1,600 ... Now imagine what we’d see if the water weren’t there. “Below Lake Superior, it’s insane,” says George Hudak. The senior geologist ...

trail accessible campgrounds and Lake Superior accessible campgrounds. The island has two restaurants at the Rock Harbor Lodge, the Lighthouse Restaurant and the Greenstone Grill. Boaters and ...

Michigan's state gem is as arrestingly beautiful as the Lake Superior shores where it's ... its arguably prettier common name: Isle Royale Greenstone. The state legislature named chlorastrolite ...

The lava flow caused by the Midcontinent Rift System is known as the Greenstone Flow. The lava eventually cooled into a giant swath of basalt that lines most of the floor of Lake Superior and ...

the early 1900s-era Rock Harbor Lodge has rooms and secluded cabins close to the Greenstone Grill restaurant. From here, visitors can explore Lake Superior via a fleet of boats available for rent.

If you like to hike, Michigan has more than 4,000 miles of state-designated trails. Here are a few to try if you haven't already.

Boardwalks over bogs and damp ground, such as this one on the trail from the Greenstone Ridge down ... It offers vistas of Lake Superior, white pine forests and granite outcroppings.

Only here around Lake Superior and closer to Minneapolis can you actually see the lavas.” The lava flow caused by the ...