Hello,
Most of these are in out of the way places. The ones in Syracuse, San Jose, and Louisville are in the biggest cities.
That map is hardly helpful as it gives no GPS coordinates and there is no list of the locations of things. I think almost all of these are on private property.
In the best case, it seems to look like any other tree.
I wonder if the tree will begin to look more unusual when it matures.
Someone could write to the artist for a picture but he has no contact information on his website.
yours,