Fly to Manaus, Brazil, and embark on guided city sightseeing and a "Meeting of the Waters" cruise, which takes you along the chocolate-colored Rio Negro to its confluence with the yellow-gray Rio Solimoes. For four miles the differently colored bodies of water flow side by side and never mix! Explore a jungle island (water level permitting) before arriving at the Ecopark Jungle Lodge inside the Amazonian Rainforest. Enjoy a Naturalist-guided jungle walk, canoe explorations, and visits to a Monkey Jungle Reserve and a Caboclo's Native Amazon Village to learn about traditions, costumes, and culture. Sample two great South American cities combined with breathtaking Iguassu Falls. Three nights in Rio de Janeiro, Brazil, with guided city sightseeing. Fly to Iguassu Falls and spend two nights surrounded by the marvelous scenery of this natural wonder. Finally, three nights in Buenos Aires, Argentina, featuring guided city sightseeing. Free time in each area and optional activities let you explore in your own way.