The area of the park open for visitation and where the concession areas of Cataratas do Iguaçú S/A are located, accounts for approximately 0.3% of the total area of the park.
The most spectacular sightseeing of the park is the Iguaçú Falls, which form a 2,700m wide semicircle, while the water falls from a height of 72m. The number of waterfalls ranges from 150 and 300 depending on the Iguaçú river flow. Besides the exuberant waterfalls, there are other attractions such as rich fauna, the Poço Preto (the Black Well), the Macuco Waterfall, the Visitors Center, the Santos Dumont Statue, a homage paid by VASP (a defunct airline company) to the "Father of Aviation", who lent all his prestige and efforts in turning the falls area into a National Park. The park received 1,550,700 visitors (2014)