HERITAGE SITE Uzbekistan Samarkand Ulugh Beg Observatory Featured Pieces + See All Ulugh Beg Observatory Summary Project Current Status See full map Explore other heritage sites Machine Gun Bunker of Calarreona Spain, Machine Gun Bunker of Calarreona Museum of African Art Arellano Alonso of the University of Valladolid Spain, Museum of African Art Arellano Alonso of the University of Valladolid