It looks as though 4 out of the 6 have been found.
Are these hidden anywhere in the US? If so, its like looking for a needle in a haystack.
For the ones that haven't been found yet, is the picture in the clue, part of a larger picture?
I say we try to find one of these.
They seem to be hidden anywhere in the US. However sometimes the clue is pretty obvious like the one that says Times Square. My friend was able to recognize this picture:
as being from Grant Park in Chicago.
Here's a picture of these 106 sculptures in the park:
