what to do in kona - kona coffee living history farm - HN greenwell store museum ali'i drive - ocean fron tdowntown stree. kialua kona pier mokuaikaua churhc , 1st Hi church since 1920 kona to hilo., 1.5 hours 2 view of the active volcano - mauna loa, mauna kea - The Thirty Meter Telescope (TMT) https://www.maunakeaobservatories.org/science https://en.wikipedia.org/wiki/Hawaii_(island)#Volcanism https://en.wikipedia.org/wiki/Mauna_Loa https://en.wikipedia.org/wiki/Mauna_Kea https://hilo.hawaii.edu/maunakea/visitor-information/commercial-tours https://hilo.hawaii.edu/maunakea/visitor-information/stargazing.php https://hilo.hawaii.edu/maunakea/kuene/stargazing.php https://hilo.hawaii.edu/maunakea/stewardship/orientation https://hilo.hawaii.edu/maunakea/visitor-information/public-safety https://hilo.hawaii.edu/maunakea/visitor-information/station https://seahorse.com/product/tour-tickets/