The whale shark was the coolest of all sharks. The Sea of Cortez, a three-hour flight south of San Diego, is one of the few places in the world where whale sharks congregate predictably. They start ...

Ningaloo Reef is one of the best preserved reefs left out there. Tourism Western Australia Every grade schooler knows that Australia’s Great Barrier Reef is the world’s largest. The stuff of ...

Tired of ads? Subscribers enjoy a distraction-free reading experience. Click here to subscribe today or Login. A Baja Airventures guest enjoys a morning swim with a juvenile whale shark near Las ...

This article was produced by National Geographic Traveller (UK). The Ningaloo Coast is where outback, reef and ranges meet. Here, on the northwestern fringes of Australia, 745 miles above Perth on a ...

I'm hanging in a bottomless abyss of blue-green, peering through a mask, when a shadowy shape practically the size of an 18-wheeler glides into frame. A 40-foot fish swims past, its mouth so wide I ...

Dave is a scuba diver from Canada who has explored the waters of Darwin Island in the Galapagos several times. He's with a group of other divers, including his wife, who have come from all over the ...

Every grade schooler knows that Australia’s Great Barrier Reef is the world’s largest. The stuff of Attenborough doc legend, it’s also one of Australia’s biggest draws, attracting 2.4 million ...