People at waterfall connecting a tributary with the Rio Parana (Parana River), near Puerto Iguazu, Misiones Province, Argentina, South America

Parana pine (candelabra tree) (Araucaria angustifolia) stand out in the forest, Nova Petropolis, Rio Grande do Sul, Brazil, South America

Aerial Photo, Delta of Rio Parana, Estuary in the Rio de la Plata, Buenos Aires, Argentina, South America

Dam, hydroelectric power station Itaipu at the Rio Parana, viewpoint for visitors, Paraguay, South America

Dam, hydroelectric power station Itaipu at the Rio Parana, viewpoint for visitors, Paraguay, South America

Dam, hydroelectric power station Itaipu at the Rio Parana, retaining wall, Paraguay, South America

Rio Iguacu river passing through Brazilian rainforest, Parana, Brazil, South America

Delta of the Parana River, Wood transport on the Rio las Canas, UNESCO Biosphere Reserve, San Fernando, Buenos Aires Province, Argentina

Viewing pulpit for visitors on Rio Iguacu river, Parana, Brasil, South America