Welcome to the Alaska Peninsula, the thriving home of 8,000-10,000 wild brown bears. Here, vast stretches of intact habitat, pristine rivers, protected areas, and abundant food sources like salmon and sedge grass support the densest populations of brown bears anywhere on earth. The secret to this remarkable habitat? Keeping it wild and pristine. From McNeil River State Game Sanctuary, to Katmai National Park, to Lake Iliamna, here are a few glimpses of this awe-inspiring part of Alaska, one of t

Watch: Grizzly bears are usually solitary animals, but one thing is strong enough—and smelly enough—to bring them together. | National Geographic