Editor's Note: The following are images from "100 Dives of a Lifetime" by Carrie Miller. Explore 100 breathtaking scuba diving sites across 60 countries and 6 continents through stunning National ...

so it's hardly surprising that two of O'ahu's most popular activities are snorkeling and scuba diving. Dive into the island's surrounding turquoise water and you'll likely find an array of ...