The "International Union of Geographical Sciences" (IUGS) in the third phase of the global plan to present the leading geological heritage of the earth, listed Mount Damavand as "the largest cone volcano in the land of the earth with unique geological features and an ancient mythological background" and in an exceptional position for understanding the history and structure of volcanoes, in the list of the top 100 geological sites in the world. In this scientific selection, which was announced in Portugal in the evaluation of more than a thousand experts from dozens of countries around the world, along with Damavand, the amazing phenomenon of the "Simra Landslide" in western Iran was also recognized as the largest known landslide in the Quaternary period, so that the names of two famous natural works of Iran, Andres Fjord and Fujour, such as the wonder of San Fuji and Mount Fuji. of Norway, are among the precious treasures that need international protection.