Lost Treasures of the World (Top 10) The Tomb of Genghis Khan. Genghis Khan, National Palace Museum, Taiwan. ... The Knights Templar Treasure. ... Lost Dutchman Mine. ... The Library of the Moscow Tsars. ... The Amber Room. ... Ark of the Covenant. ... Romanov Easter Eggs. ... Jewels of King John. More items... Jun 17, 2020