To see a Universe in a grain of sand

There are some spectacular and beautiful images, selected as finalists in the scientific illustration competition in this gallery: www.wellcome.ac.uk/en/bia/gallery.html


Whereas this is an older and far less visual contribution to human culture, available at what look like quite useful sites for online literature.
www.literature.org/ authors/ voltaire/ candide/
www.infidels.org/ library/ historical/ voltaire/ candide.html