And it's not just us ... can use the free National Park Service app to download park-specific information and maps before their visit, in case they lose cell reception in the parks.

According to a community announcement, this initiative allows visitors to explore more than 400 national parks across the United States without paying an entrance fee. The designated free entrance ...

With Earth Day coming up on April 22 and National Park Week (April 19-27) here, AllTrails has a can't-miss deal which ...