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Guide to Diving Oahu's Best Wrecks and Reefs

The weather can't be beat, and the water is crystal-clear. Hawaii's third-largest island is home to some of the world's best diving, offering something for every type of diver.

Top 10 Destinations for Big-Animal Encounters

Want to dive with really big animals? These 10 destinations feature the superstars of ocean animals: sharks, dolphins, whale sharks, sea lions and manta rays.

What It's Like... To Dive with a Blue Whale

Ever wondered what it's like to dive with the largest animal on the planet, the blue whale? Picture diving with an 18-wheel semi, and you're getting close.