When Marty Moose strolled into Santa Fe looking for a mate, he became a viral sensation in New Mexico. But that did nothing to help his search for love—and it created big issues for wildlife managers. Moose don’t usually wander that far south. Marty got a lot of “likes” and eventually his notoriety began to cause problems. Producer Steph Joyce...

　　People dream of boating or swimming with whales. But that’s based on the false assumption that they are gentle giants that don’t bother humans. But they’re not. And they do. Just ask Liz Cottriel and Julie McSorley, who found themselves kayaking off California’s Central Coast when a group of humpback whales began feeding all around them. Producer Aaron Scott reports...

　　Tuckerman Ravine on the southeastern flank of Mount Washington holds an almost mythic reputation among expert backcountry skiers and snowboarders in New England. The glacial cirque sits mostly above timberline on the 6,288-foot peak, and the wide bowl boasts chutes and steep snowfields—extreme skiing terrain that is tough to find in the Northeast. 　　But Tuckerman is also dangerous, and reaching...