"The Art Project is a collaboration between Google and 151 acclaimed art partners from across 40 countries. Using a combination of various Google technologies and expert information provided by our museum partners, we have created a unique online art experience. Users can explore a wide range of artworks at brushstroke level detail, take a virtual tour of a museum and even build their own collections to share." -Google Art Project FAQ
". . .covers world architecture of all periods together with related subjects such as interior design, landscape, topography, planning, construction and the decorative arts. Many of the images are also of social documentary importance."