Home » Which massive waterfall system, located on the border of Argentina and Brazil, is one of the largest and most spectacular in the world?Which massive waterfall system, located on the border of Argentina and Brazil, is one of the largest and most spectacular in the world?by Trivia QuestionsMarch 23, 2023View AnswerIguazu FallsLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment. Δ