I was recently impressed by this one (source: https://www.reddit.com/r/Bitcoin/comments/13y0svg/halving_schedule_fib_spiral/):

https://i.redd.it/halving-schedule-fib-spiral-v0-ttgmrqg7oi3b1.png?s=082998f210ea401f3b8b386e0355a5e43b20b215