Three Tanzania tourist parks set for voting into Seven Natural Wonders of the World August 17, 2012 TANZANIA (eTN) – Three leading tourist attraction sites in Tanzania have been listed among twelve leading tourist attractions in Africa nominated for voting into the Seven Natural Wonders of World. TANZANIA (eTN) – Three leading tourist attraction sites in Tanzania have been listed among twelve leading tourist attractions in Africa nominated for voting into the Seven Natural Wonders of World. Africa’s highest peak, Mount Kilimanjaro, the world’s famous Ngorongoro Crater, and the Serengeti Migration have been nominated as Tanzania’s three candidates for voting into the Seven Natural Wonders.