This sculpture is Infinity Ring by Charles Sherman. It was donated in 2013 by Dwight, Laura, and Lucas Johnson in memory of father and grandfather, Verne C. Johnson.
I returned the following evening and reshot the scene using a 10-18mm lens. It turned out that I used the same focal length as the previous night, 16mm, the difference being that there was more wind on the night of the second photo; the Fountain did not shoot as high allowing me to get it all in without having to go to a shorter focal length.