18. Iguazu Falls
Iguazu Falls — a complex of 275 beautiful cascades, formed as a result of a volcanic eruption. It is twice wider and Niagara. After the eruption formed a large crack in the ground, leading to the formation of scale flowing streams of water in line with the eponymous river.
In the rainy season (November to March) Waterfall shows itself in all its power, a second flow volume falls to 13,000 cubic meters.