I know I'm at risk of sounding tremendously disparaging but, how critical is it to actually go to college to get a liberal arts education? Can most of these asp

I know I'm at risk of sounding tremendously disparaging but, how critical is it to actually go to college to get a liberal arts education? Can most of these aspects of a "more well-rounded education" not come from reading, travelling and extra-curricular activities (like music lessons and trips to the theatre)?