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You will first need four-wheel drive. Then take an hour's break at the visitor’s center before heading up to the observatories at Mauna Kea’s summit. You might feel a little light-headed... Full review →
If measured from the sea floor, you are 13,808ft in the air, on top of, technically, the tallest mountain in the world. Massive observatories rise around you, shining silver on the stark... Full review →Be sure to bring long pants, a thick coat (or lots of layers), a warm hat and gloves.