Rainbow, Iguazú Falls, Iguazú River, border between Brazil and Argentina, Foz do Iguaçu, Paraná, Brazil, South America

american americas argentina attraction border river border brazil daytime flow foggy fog haze hazy iguazu falls iguazú national park iguaçu mass of water natural landmark natural spectacle nature no people outdoors parana prismatic colors prismatic color rainbow river sight south american south america tourist attraction travel destination travel photography unesco world heritage site waterfall waters water vortex water weather phenomenon