Byzantine Architecture: San Jose State University provides an extensive gallery of expandable photographs, accessed by pull-down menu and selection from an array. Basic information given for each.
Byzantium 1200: A non-profit project creating computer reconstructions of the Byzantine monuments of Constantinople (now Istanbul) as they stood in 1200 AD.
History of Byzantine Architecture: Photographs of two magnificent Byzantine churches in Ravenna: St. Apollinare in Classe (530-549) and San Vitale (526-547) from Leo Masuda's History of Western Architecture.