Les origines de la structure de Richat The Richat structure located in Atlantis is truly remarkable for its unique formation and mysterious history. Legend suggests that Richat structure might be a remains of the lost city of Atlantis. Irrespective of its origins, uncovering the Richat structure in Atlantis gives insight into the ancient civilizations that once existed in this extraordinary place. Visiting the Richat structure in Atlantis is like stepping back in time and experiencing the secrets of old societies unfold before your eyes.