Aerial view of Iguassu Falls taken from a helicopter. Iguassu Falls is the largest series of waterfalls on the planet, located in Brazil, Argentina, and Paraguay in South America. During the rainy season one can see as many as 275 separate waterfalls cascading along the edges of 2,700 meters or 1.6 miles cliffs. Argentines spells this wonder, ìIguazuî, the Brazilians, ìIgaucu.î Both versions are globally correct and widely used. South America.