![Glacier DENA pieces of glacial ice along a river with mountains in the background](/locations/alaska/images/36639616275_24c97a052b_crop.jpg?maxwidth=1300&autorotate=false)
Many of these iconic natural places are designated as National Natural Landmarks, or NNLs. Learn more about the most noteworthy and extraordinary stories, people, and places demonstrating the forces of nature in Alaska below, or visit the Alaska NNL page and Alaska Nature & Science website for more information.
![a person walks through a rocky scree field in front of a small valley glacier](/common/uploads/grid_builder/alaska/crop16_9/E76E171B-1DD8-B71B-0B72DC02AE81CB5C.jpg?width=640&quality=90&mode=crop)
Active Geology & Glaciers
Permafrost, volcanoes, glaciers, and more. Alaska is full of ever-changing landscapes, shaped by the mighty forces of nature.
![a river runs through tundra in the fall in an aerial shot](/common/uploads/grid_builder/alaska/crop16_9/E7A3AFEA-1DD8-B71B-0BDB513D473C9B7C.jpg?width=640&quality=90&mode=crop)
High-latitude Climate Change
Climate change affects the arctic differently. Read about how warming is affecting Alaska's parks, and how we are facing the challenges.
Last updated: November 29, 2017