Those problems are minimal compared to the extraordinary wealth of ecology and history information tied to real life experiences in our national park system. The Smithsonian homepage . Hundreds and hundreds of pages and images that take you into the buildings and some current and past exhibits. A handy text version is available. This is an online exhibition from the Smithsonian Institution's National Museum of Natural History.
Tour relies on photos that can take awhile to download.
Almost every page has pictures, though some pictures have only caption descriptions. Some have lengthy text descriptions. The Franklin Institute Science Museum Exhibits, resources and fun for your desktop. Berkeley's Paleontology Museum Online exhibits, catalogs, and more. Wadsworth Publishing's list of Science and Math resources for teachers.