I have a friend who has this on her back: https://ocean.si.edu/through-time/evolution/darwins-evolutionary-tree-diagram https://ocean.si.edu/through-time/evolut

I have a friend who has this on her back: https://ocean.si.edu/through-time/evolution/darwins-evolutionary-tree-diagram https://ocean.si.edu/through-time/evolution/darwins-evolutio... she's really into science and evolution in particular. I don't think it's particularly pretty, but probably unique.