National Geographic is a huge website! It would take a person a long time to go through the whole thing. Take the time to teach your student how to use this website. It is well worth your time, especially for the photographs. For instance, search on volcanoes. This is a wonderful website for for unit studies and research projects.
http://www.nationalgeographic.com/ National Geographic provides free maps, photos, videos and daily news stories, as well as articles and features about animals, the environment, cultures, …