Just in time for the holidays, the national parks are heading to the Big Apple to check out the bright lights! And if you're in Times Square sometime during the next 38 days, keep an eye out for the grizzly bear and the cannon.

While many head to Yellowstone National Park in winter to explore by snowmobile, many visitors also like to get out on foot -- either with snowshoes or cross-country skis -- to move about the park. Here's the rundown on how to safely enjoy those activities in the park this winter.

Candles will be flickering December 21 at Aztec Ruins National Monument when the park staff hosts a luminaria display with its Evening of Lights event.

Humans are creatures of comfort, so perhaps it should not be a surprise that warming temperatures associated with climate change are altering the seasons slightly when it comes to visiting national parks, according to a study.