More than 300 million visitors explored America’s national parks last year, from Acadia in Maine to Zion in Utah.

After we arrived, I turned on walking directions for the hike I had saved so I could easily track how far we had gone. The ...

Now that I've been to all 63 major national parks, I've seen plenty of other new travelers in my shoes. Here are the eight most common mistakes I see first-time travelers make when visiting the ...