ok lol dont freak out that was a compliment.
the golden ratio is the most visually appealing thing, has all kinds of genius math behind it. basically if you put that arc over your rocks, you will make something good. the 2nd to last pic fits it perfectly if you look at it close.
the spiral is actually a fibonacci spiral or "The length of the side of one square divided by that of the next smaller square is the golden ratio."