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.
Marine Life
Mary O'Malley helps nations understand why we need to save sharks and manta rays. She has worked in Indonesia and with WildAid, Shark Savers and Manta Trust.
Book your vacation to Cuba's Jardines de la Reina, or Gardens of the Queen, where sharks, crocodiles, classic American cars and even more thrills are always on the menu.
Watch as divers near Souza Rock on the coast of Central California have a close call with Humpback Whales in this startling video.
Thinking about diving in Indonesia? Want to see more fish, nudibranchs and other weird creatures than ever? Then read about underwater photographer Judy G's experience on the Wallace Line!
Would you brave a shark encounter in an inflatable raft? These boaters did, and they bit off a little more than they could chew.
This volcanic vacation destination trumped the competition in five Top 100 Readers Choice awards, including a No. 1 spot for shore diving.