How is orca behavior affected by human presence? A group of 14 women spent three weeks snorkeling off the coast of Tromsø, Norway, to find out.

Looking for awesome, unknown dive sites? Here are some of the best underwater wonderlands we've found here at Scuba Diving magazine.

A photographer, a kite-surfer and a freediver witness the interaction of a lifetime with killer whales in Norway.

Forget SeaWorld, scuba diving with Killer whales — aka orca whales — is the best encounter you can have. Find out where to dive with these massive toothed predators.

Narvik is undoubtedly one of the best places in the world to dive and see wrecks from World War II. Learn more about this unique location.

These freshwater experiences — from Iceland and the Great Lakes to China and the Florida springs — offer an exhilarating change of pace.