Circles in found in the wagon wheel on the gate and the two satellite dishes.
I rolled a couple of bales out in a circle for this bunch of cows when I fed them the other day.
Circles I found as I was sitting in the pickup today, on cup lid and box of snacks.
The "o" on the cell phone in the word ok and the "mno" on the key pad,rivets on my purse and the dots on a tote bag.
Circles on this cattle truck as seen thru our dirty windshield, in the brakelights, blinker light and wheels. Photo below has circles in the word "only" on the sign and the two on the tank in the background.