PBS
Nova: To the Moon
This companion website of a NOVA program that aired in 1999 features extensive information that focuses on moon research and includes a history of the Apollo missions as well as the science of the moon's origins.
Smithsonian Institution
National Air and Space Museum: Apollo Program
A comprehensive site focused on all of the Apollo missions. Includes details on launches and moon landings, with charts, statistics, and images. Especially interesting is the list of "Top Ten Apollo Results," which explains the major...