Touched by Unesco as a natural patrimony of mankind in 1986 - the second oldest national park in Brazil and the largest outside the Amazon, the Iguaçu National Park extends by an area of 185 thousand hectares of the Brazilian side and 67 thousand hectares of the side Argentine. Although its environmental value and the beauty of the landscapes seen there make it a heritage without borders.
It is no wonder that the park is considered one of the last forest reserves of the Atlantic Forest, and the largest reserve of subtropical rainforest in the world. The biological diversity of the park is depicted in numbers: they are 257 species of butterflies, 18 of fish, 12 of amphibians, 41 species of snakes, eight of lizards, 340 of birds and 45 of mammals, attracting the attention of several researchers who find there source for relevant scientific work.
The Iguaçu National Park is home to rare species of fauna and flora. There are thousands of animals, many of them threatened with extinction, such as the jaguar, the yellow-bellied alligator, some rare species of birds, such as the jacutinga, the harpy hawk, and the purple-breasted parrot. The flora is also quite diverse. There are species that reach 30 meters high, such as timbaúva, cedar, peroba and ipês, as well as delicate orchids and bromeliads.