They lived for a long time unaware of the rest of the peoples of Europe. Yet they, among others, pushed the so-called barbaric tribes to search for new territories. This was what caused the shock with the Roman Empire. The Vikings, generic name covering several peoples, felt irremediably attracted to the South, its wealth, its resources. They were living on the Dordogne, where they gave birth to troglodytic groups trying to escape from them. Large navigators, they certainly reached the eastern coast of North America, in their strain. Alix discovered the Vikings as they began their expansion and the period they conquered. The opportunity to meet a harsh but original civilization, suffering from multiple received ideas and negative legends that did not resist archaeological discoveries and the judgment of history.