If you have ever hit the wide open road in search of adventure at America’s gorgeous national parks, you were probably blown away by the experience. Whether you stood on the edge of the Grand Canyon staring down into its vast chasm or watched Old Faithful erupt in a stunning display of geothermal energy in the midst of Yellowstone, you might think you’ve really experienced the best these parks have to offer. But honey, you ain’t seen nothing yet! Leave it to National Geographic to pull the hair out of your eyes and lead you on a journey unlike no other. All you need is the second edition of their guidebook, Secrets of the National Parks. It’s like having a park ranger in your pocket.