Brazil is the multi-ethnic giant of South America and a land of exciting contrasts. fifth-largest country in the world with the fifth-largest population, Brazil is the leading economic and political power in South America. It offers some of the richest wildlife in the world, from jungle to Savannah, some of the best beaches from the municipal beaches to the secret hideaways and taste bud tickling food. It offers some of the richest wildlife in the world, from jungle to Savannah, some of the best beaches from the municipal beaches to the secret hideaways and taste bud tickling food.Almost half of Brazil's territory is covered by the basin of the Amazon River and its tributaries, a region that is one of the world's largest rainforest ecologies.