Buy National Geographic, May Yellowstone's Centennial on pethydro.org ✓ FREE SHIPPING on qualified orders. The May issue featured in the episode is real. It features a cover story about the th anniversary of the opening of Yellowstone National. I made about Leftovers and the May National Geographic magazine. There might be a pdf version floating around somewhere online. My photo shows the ACTUAL item on sale; its scanned Table of Content is available via our website. A gift-quality vintage National Geographic Magazine, May. National Geographic Magazine v29 #5 May by Gilbert Hovey National Geographic Magazine v #3 March by Gilbert M. Grosvenor, View this article in the National Geographic magazine archive, featuring every issue since Complete online archive of National Geographic magazines: articles, photographs and maps since Through three seasons of The Leftovers, the series mysteriously returns to a May issue of National Geographic magazine. It was first. National Geographic bydanielramirez. Publication date Usage Public Domain Mark Topics National Geographic.