A group of youths learned about the changing landscape in Alaska’s Denali National Park and Preserve as they were taught backcountry skills and took “repeat” photography of Sunset Glacier.

Years of monitoring wolves in Denali and Yellowstone national parks has led researchers to conclude that hunting the predators just beyond the parks' borders seems to directly impact park visitors' odds of seeing a wolf.

On day 75 of a planned 65-day solo trek near the roof of Denali National Park, Masatoshi Kuriaki had had enough. With the press of a button on his personal locator beacon, the Japanese mountaineer summoned help from the park's climbing rangers.

What’s in a name? Well, when you hear Hance, the Big Drop, Lost Paddle, or Lava Falls, we’re talking about some of the largest, craziest river rapids in our national parks. Interesting names, for sure, but how do they rate? We posed this question to our river rats: What are the best rapids in the parks? They came up with quite a list. So, if you’re looking for exciting and death-defying whitewater in the parks…