I have no idea if this will work or not:
Celebrating the Ceremonial Stone Landscapes of Eastern North America:
Open Group~Anyone (with a FaceBook account, it seems) can see the group, who's in it, and what members post.
34 Members/79 Photos/1 Doc.
"vast heaps of stones"; stone heaps or cairns
by Tim MacSweeney https://www.facebook.com/#!/groups/4585999861/doc/10150328669284862/
Recent photos by Rob Buchanan: Quartz Hearted Cairn
Taken at Dicktown area, Putnam Co. NY