Most of these will be on the exhibit until 2019 and it is very much worth a visit for one or even two days to enjoy the outside arts as well
Some highlights besides the incredible VR journey in the Chalkroom with Laurie Anderson and the Perfectly Clear by James Turrell are:
The Uncertainty of it All 2014 by Alexandria Smith
The Archaeology of Another Possible Future by Liz Glynn
Thumbs Up for the Mothership by Dawn DeDeaux and Lonnie Holley
The music instruments galore at the at Gunnar Schonbeck's assemblage in No Experience Required
Sol LeWitt colors made me dance :)