EDIT: Turns out this was part of a marketing campaign: http://blogs.nvidia.com/blog/2014/01/05/salinas-crop-circle-and-project-192/
CNN - Tom Watkins, 12/31/13
What he saw was an elaborate design sculpted into one to two acres of his barley field: a crop circle -- more precisely, a lot of squares and rectangles within a large circle.
"To me, it looks like a computer chip, or something like that," said Anthony, who added that he had no idea what may have caused it. "To be that intricate in design, it kind of baffles me as to how that was done," he said about the flattened grassland. "It didn't look burned to me, it just looked like it was pushed over."
Video and more: CNN