Grizzly sow and cubs stand guard over a wolf-killed caribou carcass, East Fork River, Denali National Park, Alask |

Fresh snow signals the end of summer and the onset of fall. Inner Alaska Range, taiga forest (also called boreal forest), fall colors on tundra, Denali National Park, Alaska. |

A bull moose stands tall on the Alaska tundra, Fall colors, Alaska Range, Denali National Park, Alaska. |