This document provides vocabulary words and definitions related to national parks. It then discusses the Redwood National Park and includes a listening exercise about the park's redwood trees. Next it discusses the Rocky Mountains and includes a video link. It also discusses Yellowstone National Park, including some facts about its size, when it became the first national park, features, wildlife, and efforts to keep its ecosystem healthy. It includes a PDF file and video link about Yellowstone. Finally, it poses some discussion questions about protecting national parks.