Museum of Science
Museum of Science: Scanning Electron Microscope (Sem)
View a video or a click-through a slideshow to find out how the SEM works. In addition, find an interesting gallery of magnified images captured with an SEM, links to related sites, and a teacher resource section.
Other
Science Stock Photography
This site has numerous pictures of microscopic images. It also has a search engine so you can find specific objects. Images were captured with light microscopes, as well as electron microscopes.
Lawrence Berkeley National Laboratory
Berkeley Lab: Ncem: Electron Micrographs
This site contains a gallery of scanning electron micrographs of non living substance.