Pamela Seed
Rice: Latitude: The Art and Science of 15th Century Navigation
This is a great site to read about how navigation began in Europe and what tools were used. Make sure to read the segments on coastal navigation, maps, and ocean currents.
Smithsonian Institution
Smithsonian Institution: Time and Navigation
Explore navigation methods by sea, air, and space, what latitude and longitude mean, how GPS works, about satellite navigation, and learn about professional navigators. Includes a timeline of developments in navigation from 1280 to the...
Other
Boat Safe Kids
This is a delightful site about boats and boating. Lots of games plus a terrific overview of the history of navigation. Includes a visit to a reproduction of Columbus' Nina.
Other
Boat safe.com: The History of Navigation
This site discusses the beginnings of using boats for travel and how they made their way from one place to another.