Official catalog of the exhibition "Aventuriers des mers," at the Institut du monde arabe in Paris from 14 November 2016 to 5 March 2017, and at the Museum of Civilizations of Europe And the Mediterranean (Mucem) in Marseille from 23 May 2017 to 25 September 2017. From Sindbad the sailor to Marco Polo, then from Ibn Battuta and Vasco de Gama to the East India Companies, extraordinary travel stories told of the wealth of maritime trade between the seas of the Old World. Far from obstructing people and civilizations, the seas and oceans are shared spaces that allow people to meet and interact with others.