View Photo Pairs

Choose one of the browsing options described below, or if you are interested in a particular topic, use the search box to enter terms related to a photo’s location, photographer, or subject. Alternatively, jump into our Featured Photo Pairs to view an “Editor’s Choice” selection of photos currently highlighted based on a common theme.

treeExplore by Change Type to select a trend you may have heard about. Changes revealed by photo pairs can be categorized into themes representing notable land cover change trends. 

 woman with cameraAre you planning a trip to Denali?  Browse by Park Road Segment to view photos that capture landscapes visible along the Park Road.  Bring your camera … maybe you can capture the next photo in the series.

base_mapAn ecoregion is an area of similar geography.  Browse by Ecoregion to view photo pairs that illustrate the types of changes occurring in each of Denali’s ecoregions.Videos-icon-icon

Want to see changes that have taken place over many years occur in just a few seconds?  Browse Best Animations to see the most intriguing photo pairs brought to life through fading overlays.

Still not sure? Would you like a tour guide?  Non-mobile web users can Take a Virtual Tour to embark on an educational and interactive slideshow of thirty of the best photo pairs.  Great for teachers and students, Flash Player required (download Flash for free).