Audubon's Birds of America
The University of Pittsburgh has digitized and made available online it’s complete set of John James Audubon’s ‘Birds of America’. Made up of 435 paintings, most at life-size, original subscribers received five engraved plates at a time between 1827 and 1838. The site allows you to explore these fantastic works of art using Zoomify, a flash based plugin which adds to the experience. Information on the collection and the process to get it online can be found here.