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)