. >> for more than a decade, brad has conducted those tours on the alaskan peninsula. >> they come together in great numbers because of the food source. it's definitely the best place that you can go to see bears up close. >> and that's a rare sight these days. poaching and habitat laws among other issues have put the majestic grizzly bear on the endangered species list. >> on the alaska peninsula, they haven't been hunted. it's remote, so the general public doesn't go there. we can get in to areas and see bears up close. you just can't do that anywhere else. >> in the spring of 2013, brad is leading a tour of photographers when he decides to set up his go pro camera. >> i knew a stretch of bear trail that that intersects the river. a great spot for bears to happy in and try and get a fish. i placed the go pro on a rocky area. i didn't want the bear to see the camera. i wanted to get its natural behavior. >> brad moves to a safe distance. he soon gets more than he bargained for. >> it mother frames herself perfectly and turns and looks over. sure enough, the cub follows her. the cub was bor