We all know how beautiful Hawaii is, but this island combines gorgeous beaches with active volcano tours and other perfect vacation adventures.

Though it can be easy to assume the six most visited Hawaiian Islands offer similar experiences ... see one of the world's largest dormant volcanoes at Haleakalā National Park and get up close ...

Similar trends among plants and invertebrates have earned it the label of the "extinction capital of the world". Hawaii's islands are a ... novelty". A new map published by researchers in March ...