National Geographic provides free maps, photos, videos and daily news stories, as well as articles and features about animals, the environment, cultures, history, world music and travel.
The American Museum of Natural History is one of the world's preeminent institutions for scientific research and education, with collections of more than 32 million specimens and artifacts.
The RSPB is the UK charity working to secure a healthy environment for birds and all wildlife, helping to create a better world for everyone. We depend on the goodwill and financial support of people like you.
A magazine of science, nature, and culture. The Web site includes selections from the current issue, editors' Picks from the Past, and information for subscribers and advertisers.