Let's Survive Forever is an infinity mirrored room by Yayoi Kusama at the AGO.
You have to make a reservation, and when I showed up at my reserved time, I got bumped to the front of the line because I was solo, paired up with another woman. There's a maximum of four people allowed inside at any time, but our group was just the two of us. First we had to divest, like supplicants at the altar of art, leaving purses and coats in a box. Then the young man with a stopwatch knocked on the door to notify the previous group that their time was up, and we were shut inside for our sixty second visit.
I did take pictures, and they were mostly useless -- it's really just a mirrored room, with mirrored balls on the floor and ceiling, but I laughed out loud when I walked in because it was just so fun.
This was the one thing worth photographing -- a column in the middle of the room that created an apex of all the reflections. Still makes me smile.