Iguazu National Park with the Falls as its main feature is unique due to its exceptional natural beauty and because it's the habitat of rare and endangered species. It provides protection to one of South America’s largest forested areas. It is situated on a basaltic line spanning the border between Argentina and Brazil. Iguazu Falls is the beautiful center piece of Iguazu National Park. It is a set of amazing falls on the Iguazu River with up to 80 meters high. It is one of the largest and most spectacular waterfalls in the world. The incredible clouds of spray produced by the number of waterfalls are conducive to the growth of lush vegetation. The surrounding subtropical rainforest area is home to many rare and endangered species of flora and fauna.