National Parks Connected by the John D. Rockefeller, Jr. Memorial Parkway, Yellowstone and Grand Teton national parks both offer dramatic scenery and unforgettable outdoor adventures — but make no mistake: They each deliver distinctly special experiences. OLD FAITHFUL GEYSER Old Faithful & Special Finds HIGHLIGHTS & EXTENDED-STAY TIPS FOR YELLOWSTONE NATIONAL PARK A dynamic volcanic hot spot that also boasts more than 1,000 miles of hiking trails, nearly 300 waterfalls and the largest concentration of mammalian wildlife in the lower 48 states? That’s what we call a national treasure. Here’s how to cash in on Yellowstone’s riches, no matter how much time you have to spend wandering. 46