Christos Kalemkeris archives include a rich collection of photos since 1838 (early era of photography art) until today, concerning significant subjects that Greek and foreign photographers worked on, which also constitute the history of photography itself in Greece and Mediterranean region during 19th and 20th centuries. Among the subjects exhibited are: rare photos of the Greece railway network history, the Balkan wars, as well as, World Wars I & II and ancient relics from Greece and Asia Minor.