- Aiwaz.net Institute - Leonardo da Vinci - Investigating the mysteries of several works.
- Art Gallery: Leonardo da Vinci - The so famous Leonardo masterpiece "annunciation" in a beautiful format. From the Uffizi Gallery.
- Artchive: Leonardo da Vinci - Archive of artwork by Leonardo da Vinci.
- BBCi: Leonardo's Life In Science And Arts - Interactive site featuring paintings, imposters, quizzes, and the studio of the artist.
- British Library: Leonardo da Vinci (1452 - 1519) - An illustrated biography, including photographs of three full-size models made for the BBC One series Leonardo, and online images of the Library's Leonardo notebook.
- CGFA: da Vinci - Short biography but comprehensive feature on his works, all illustrated.
- Da Vinci Secrets - Delving into some of the world's greatest mysteries, discoveries and secrets.
- Leonardo da Vinci - Interactive biography of the artist and inventor by Martin Kausal.
- Leonardo da Vinci - Short essays on personal and professional life, art and list of all paintings and their locations. Contributions to science, engineering and anatomy.
- Leonardo da Vinci - The Last Supper, pictures, paintings, Mona Lisa, drawings, and his inventions.
- Leonardo Da Vinci's Last Supper - Explains the importance of this event to Christianity, the location, content and technique used in the painting. Includes photos of the paintings and biography about the artist.
- Leonardo Da Vinci's Life - Featuring a biography and discussing several images of the artist.
- Leonardo da Vinci - Paintings and Biography – OCAIW - Links to images of Artworks by Leonardo da Vinci on the Web, included biography.
- Leonardo da Vinci: Scientist, Inventor, Artist - The Museum of Science presents an online exhibition with biography, portrait, examples of da Vinci's work and background information on the Renaissance.
- Leonardo da Vinci: The Codex Leicester - Features a Shockwave biography and several thematic units about the artist and philosopher.
- Leonardo the Ideal City - A possible reconstruction from an "ideal city" that he could have projected assembling the most of this studies. Offers drawings of buildings and machines related to the city and urban live, biography.
- Leonardo Virtual Museum - A visual review of web items which have been associated with the artist.
- Leonardo's Horse - Project to actualize Leonardo's planned but never-completed sculpture of a 24-foot horse.
- Life of an Artist: Leonardo da Vinci - Biography from Giorgio Vasari's "The Lives of the Artists" and a gallery.
- Loadstar: Leonardo: the Man, His Machines - Extensive information centre on the life and works of Leonardo da Vinci and his machines.
- National Museum of Science and Technology: Leonardo da Vinci - This museum in Milan has displays over one hundred models illustrating the work of Leonardo. Chronology of his life, manuscripts, his machines in VRML.
- Olga's Gallery: Leonardo da Vinci - A collection of images of Leonardo's works with biography and historical comments.
- The Bridge - Information about the so-called Leonardo Bridge in Ås, Norway, based on an original drawing by the artist.
- The Last Supper - Very close details of the figure of Christ, the faces of Philip and John, and the hand of Thaddeus.
- The Leonard Da Vinci Gateway - A gateway into the life and works of the artist, including some paintings, and drawings, and a biography.
- The Leonardo Bridge Project - Vebjørn Sand explains how Leonardo da Vinci's simple drawing of a graceful bridge inspired the Leonardo Bridge outside Oslo built in 2001.
- The Notebooks of Leonardo Da Vinci - Etext at Project Gutenberg.
- Thinkquest: Da Vinci A Man of Both Worlds - Offers artist's art as well as his scientific observations, his inventions, and interesting facts about his life.
- Thinkquest: Learning About Leonardo - Arts and science driven inquiry exploring the mystery of the Mona Lisa, featuring original music.
- Washington State University: Leonardo da Vinci - Excerpt from Reading About the World, Volume 1.
- Web Gallery of Art: Leonardo da Vinci - A collection of many works of the author, including paintings, drawings and sculptures. With notes for each work
- WebMuseum: Leonardo da Vinci - Collection of paintings and information on the great master.