Alaska The History of the Last Frontier: Bering, Russian America, and the Alaska Purchase By Alexandra Yingst December 4, 2019 South America How Sheep and People Are Bound Together in the Patagonia Grasslands By Karen Emslie November 12, 2019 Arctic The Northeast Passage, Captured in 10 Extraordinary Images By Matthew Scott November 6, 2019 South America From Formation to Calving: The Life Cycle of Glaciers in Chile By Matthew Scott November 4, 2019 Northern Europe Standing Secrets: Deciphering the Mysterious Megaliths of Stenness By Karen Gardiner October 25, 2019 Galápagos Far from “Clumsy Lizards”: 5 Fascinating Facts about Marine Iguanas By Ali Wunderman October 17, 2019