OP, what an amazing life you have led! These programs came to mind. Fair warning: none of them are Harvard 
https://gs.columbia.edu/admissions
https://en.wikipedia.org/wiki/University_Without_Walls_%28University_of_Massachusetts_Amherst%29
https://en.wikipedia.org/wiki/Tufts_University
https://www.brown.edu/admission/undergraduate/apply/resumed-undergraduate-education-applicants