One form of kaleidoscopic art that enthralls me as an adult is the mural mosaic. There are a few websites out there devoted to these, including muralmosaic.blogspot.com and muralmosaic.com. Here are a few of my favorites I found from a quick image search:
I even found a brief tutorial from Lewis Lavoie on how to make them:
I think it would be really cool to take all the photographs oneself of things relevant to the "big picture" and make one of these. I might just make it a long-term project!