1 The inca city of Machu PicchuCountry : PeruPlace : near Cuzco2 The Iguazu waterfallscountry : Argentina – Brazilplace : borders between the two countries3 The Great wall of Chinacountry : Chinaplace : north-east of the country, along Inner Mongolia4 The Victoria waterfallscountry : Zimbabwe – Zambiaplace : border between the two countries5 The Niagara waterfalls country : Canada – United