When survival is the goal, greater security comes with numbers. Here, we're taking a closer look at schools and shoals—plus, we'll tell you how to capture the best underwater photos.
In this epic freediving video, Matthias Misof and his friends take us on their one-breath adventures alongside turtles, manta rays, huge schools of fish and amazing coral heads.
The results of our Top 100 Readers Choice Awards are in! You voted on the world's best destinations for underwater photography, and here are the winners!