The water is cold inside Norway’s northernmost fjords. When I slipped in headfirst, wearing a thick wetsuit, the four-degrees-Celsius surface temperature made the water feel dense and biting on my exposed face. Diving down, I crossed a threshold into another world—dark, frigid, seemingly bottomless, and home to giant carnivores that eat fish, seals, and porpoises.
If you want to see wild orcas, they can be found in every ocean, from the Arctic to Antarctic. The coast of Canada’s British Columbia, Argentina’s Valdes Peninsula, and Australia’s Bremer Bay are all popular orca-watching spots.
Despite their “killer whale” nickname, orcas don’t prey
