Créer un modèle Wordpress

I would like to create a map 4000X6000 starting from google earth pictures of mediranean see and spaning to the black see, all major rivers highlited, country as of in XI century; including rhone, nil, danube... and the towns associated like barcelona, constantinople etc end result should exceed joined files, start to be able to show me sample as what you propose, i'll choose by visuals