#Stonehenge-Like #Structure Found Under #Lake #Michigan

Archaeologists found something much more fascinating than they got credit for when searching under the waters of Lake Michigan for shipwrecks: they uncovered a rock with a #prehistoric #carving of a #mastodon, as well as a collection of stones arranged in a Stonehenge-like manner.

Gazing into the water
In modern #archaeology, the use of remote sensing techniques is common: scientists regularly survey lakes and soil for hidden objects.

Archaeologists uncovered sunken boats and cars and even a Civil War-era pier at a depth of around 40 feet into Lake Michigan’s Grand Traverse Bay, using sonar techniques to search for shipwrecks, but among all these, they found this prehistoric surprise