This is in Quamphegan Landing Park, in South Berwick. I have absolutely no idea what this structure used to be. It is a circle of bricks, I would guess to be a water tower or some kind of tower of sorts. There was a mill on this location in the 1800's.

Today's PaD was a toss up between this shot, with the dislodged brick in focus, or the clump of grass in focus. The clump of grass won. I like the contrast between the light (still early in the season) colored grass and the darker bricks: