Since The Complete Space Buff's Bucket List was published in January 2016, I continue to come across new ideas. If there's something on the original list you don't want to do, substitute one of these!
Check back from time to time, because I keep finding new possibilities for space enthusiasts.
"It's hard to get space out of space people. Once you get all these space people together, they want to do space things."
--- Trent Martin, vice president of Intuitive Machines, discussing during a panel at the International Astronautical Congress in October 2019 (quoted in Space News First Up)