The Iguazu Falls, which runs from Brazil to Argentina, is known to be the most beautiful waterfall in the world. In fact, it is said that the United States' first lady Eleanor Roosevelt said, "Poor Niagara!" when she first saw the Iguazu Falls.
Iguazu Falls, Brazil are waterfalls of the Iguazu River on the border of the Brazilian state of Paraná and the Argentine province of Misiones. The falls divide the river into the upper and lower Iguazu. One of the 7 natural wonders of the world