Leonardo Da Vinci Websites

Exploring Leonardo: http://www.mos.org/sln/Leonardo
A website about Leonardo's inventions and masterpieces as well as some brief information about his life.

Genius of Leonardo: http://www.geniusofleonardo.com/
The website of Piazza Signoria, a museum featuring many of Leonardo's machanical creations reproduced from his sketches and notes.