This iceberg in Scoresby Sound, East Greenland, is one of many frozen sights in the country. Photograph by Frans Lanting, Nat Geo Image Collection Craters at Lake Myvatn in Iceland are among the ...

In January 2019, Kayla died. She was a 30-year-old killer whale living at SeaWorld Orlando. If she’d been living in the wild, she’d likely have lived into her 50s, and possibly as old as 80. Still, ...