That is very rare and admirable. Can you share more details? Perhaps without linking to them as to not ruin it.
Only one I can think of is The Well. I don't see how you could ever recreate it.
Only one I can think of is The Well. I don't see how you could ever recreate it.
I'm most familiar with those based on tabletop games and science fiction. You can find plenty of volunteer-run conventions that have been around for decades. That often implies that there is a thriving local community behind the event.