The Iberá Wetlands is the second largest wetland area in the world, after the Pantanal. Located in Central Argentina, this area of boggy marshland, stagnant bodies of water, and swampland boasts exotic animal inhabitants including caimans, marsh deer and capybara (the Earth's largest rodent species). The tourists who venture into Iberá are often hoping to get a glimpse, or better yet, a snapshot, of the area's elusive anacondas, alien-like armadillos, one of the resident primate species, or even some crocodile vs. piranha action. Not only is this a nature-seeker's dreamland, it is also an important freshwater reservoir for multiple nations in South America. Like the Pantanal, Iberá is best when visited as part of a guided tour. Many tours leave from Colonia Carlos Pellegrini, the largest settlement in the area.