“Our national parks are wonderlands,” a narrator explains on Google’s project website. “Amazing places to explore and discover. The beauty is obvious — that there is a hidden world you won’t see on any map. To find that world, you need a guide.”
Using the service, which is accessible via Web or mobile app, is similar to taking a real guided tour. The user can drag the screen to look around, click or tap on points of interest, and listen to a knowledgeable guide explain the history and features of the site.