Pantanal Matogrossense National Park #brazil #oneworldtrips http://www.oneworldtrips.com/. Located in the southern state of Matto Grosso, this park’s dominant feature is the Cuiaba River and surrounding wetlands. Pantanal is a tropical wetland – the largest one in the world. The famous giant Victoria Regia water lilies are found here. The various hotels, ranches and lodges accommodate the adventurers.Pantanal is the best place to explore the rainforest.