NatureMagnificent Waterfall Images for Download by Peace Iguazú Falls or Iguaçu Falls are waterfalls of the Iguazu River on the border of the Argentine province of Misiones and the Brazilian state of Paraná. Together, they make up the largest waterfall system in the world. The falls divide the river into the upper and lower Iguazu. Pages:Previous123NextLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.