Iguazu Falls (Iguassu or Iguacu) are the biggest waterfalls in the world. Iguazu falls consist of 275 separate falls and is actually bigger than Niagara Falls. It's located on the Border of Paraguay, Argentina and Brazil. (Photo by David Rochas).
✭ Futaleufu River, ArgentinaThe Futaleufú River is a river fed by the lakes in the Los Alerces National Park in Chubut Province, Argentina, crossing the Andes Mountains and the international border into Chile and opening into the Yelcho Lake.