Argentina has a vast territory and a variety of climates and microclimates ranging from tundra and polar in the south to the tropical climate in the north, through a vast expanse of temperate climate. Natural wonders include the Aconcagua, the highest mountain in the world outside the Himalayas, the widest river and estuary of the planet (the River Plate), the Iguazú Falls, the Humid Pampas,and the Argentine Sea Visitors enjoy the culture, customs and cuisines.