US Department of State
Us Department of State: Archive: Argentina
The U.S. State Department provides extensive information on Argentina at this site, including data on the population, geography, government and economy. (March 2012)
InterKnowledge Corp.
Geographia: An Introduction to Costa Rica
Travel to the Latin American nation of Costa Rica and explore its captivating geography, culture, and history. Informative and helpful site for developing an understanding of Costa Rica, fast becoming the ecotourism capital of the world.