I saw a post about this on reddit. Pretty cool.
Apparently the people at Google took the Google Image search picture recognition technology and pointed it at itself in some kind of feedback loop or some kind of thing... I don't really understand it, but the results distinctively remind me of when I tried dropping acid back in the 1980s. (Not recommended kids). Anyway, the gallery is here:
An extra trippy thing I noticed is that parts of the edges of some of the images "overlap" as in a repeating tilable pattern. Here are a couple of screenshots as examples of the partial overlapping.
This is one of my faves: