Visitors driving between Yellowstone and Grand Teton national parks might not realize that they're traveling through a unique and distinctive National Park Service unit that isn't a part of either park, but which has elements of both. More importantly, it serves as a crucial connection between the two parks, helping unite them into a common ecosystem. The John D. Rockefeller, Jr. Memorial Parkway turns 40 years old on Saturday. It was created by the U.S. Congress on August 25, 1972 to honor Rockefeller and his contributions to the conservation of remarkable places throughout America. Continue Reading →