[Antipode]

A lot of the pictures used in articles for this are pictures of something else (possible an old ship). Here's what it actually looks like: https://holleyarchaeology.com/index.php/the-truth-about-the-...

Calling it Stonehenge-like is a real stretch.

[westurner]

That's a better source than what I found;

> The site in Grand Traverse Bay is best described as a long line of stones which is over a mile in length.

> [...] may be a prehistoric drive line for herding caribou

Also speculation that the Sage Wall in Montana is simply a geologic formation.