Ponza is the largest of the six Pontine Islands, a string of volcanic formations off the coast of Lazio, some 25 miles south ...

Robert Louis Stevenson may have based his classic "Treasure Island" on it ... this 10-square-mile tip of an ancient volcano is the only isle in the eastern Pacific that bears rainforest.

Home to the world’s largest active volcano and some of Hawaii’s most dramatic landscapes, this Big Island treasure offers families an unforgettable adventure through living geology.