Science Museums

American Museum of Natural History Top-notch virtual science museum. This site offers an interactive tour of the Planet Earth exhibit along with educational activities, photographs and QuickTime video clips.	Museum of Science and Industry Descend into a coal mine or tour a WWII-era German U-boat via QuickTime videos.
Boston's Museum of Science Online exhibits include photos, activities and essays from scientists.	Questacon This Australian science and technology museum is full of educational and entertaining features. You'll need several plug-ins to view many of the online exhibits.
The Exploratorium Online exhibits play with optical illusions and mental tricks, measure reaction time and examine sounds.	The Franklin Institute Science Museum
Smithsonian Institution