OVERVIEW: Migy: Buenos Aires Map for the National Geographic. If you compare this map to the night view of Buenos Aires from satellite (in another pin) you can see the main avenues are exactly like this.
Iguazu Falls are waterfalls of the Iguazu River on the border of the Brazilian state of Paraná and the Argentinian province of Misiones. The falls divide the river into the upper and lower Iguazu. The Iguazu River rises near the city of Curitiba.