Rio Grande
River that cuts through the desert and forms a border between Mexico and the United States.
Andes Mts.
Mountains in the western portion of South America that run roughly parallel to the Pacific Coast for more than 5,000 miles.
Sierra Madre Occidental
The main mountain range in western Mexico that runs roughly parallel to the Pacific Coast.
Plateau of Mexico
The huge plateau that covers most of central Mexico and is surrounded by mountains.
Guiana Highlands
The highlands in the northern portion of South America that separate Venezuela, Suriname, and French Guiana from Brazil.
Lake Maracaibo
The large lake in the northern tip of South America that has a small opening into the Atlantic Ocean.
Orinoco R.
The major river in the northern portion of South America that winds from the Guiana Highlands to the Atlantic Ocean.
Yucatan Peninsula
The large peninsula in Mexico that extends into the Gulf of Mexico.
Amazon River
The long river in South America that winds from Peru through northern Brazil and empties into the Atlantic Ocean.
Sierra Madre Oriental
The main mountain range in eastern Mexico that begins south of the Rio Grande.
Lake Titicaca
The lake located high in the Andes Mountains and forms part of the border between Peru and Bolivia.
Gran Chaco
The plain that extends through northern Argentina, Paraguay, and southern Bolivia.
Patagonia
The plateau located in southern Argentina between the Andes Mountains and the Atlantic Ocean.
Pampas
The plain that covers most of central Argentina.
Atacoma Desert
The desert located in northern Chile that is bordered by the Pacific Ocean to the west and the Andes Mountains to the east.
Amazon Basin
The vast river basin that covers most of northern Brazil and parts of Bolivia, Peru, Ecuador, Colombia, and Venzuela.
Lake Nicaragua
The large lake located in southwest Nicaragua that drains into the Caribbean Sea.
Rio de la Plata
The estuary (place where a river meets the sea), located at the southern tip of South America and divided between Chile and Argentina.
Isthmus of Panama
The isthmus (narrow strip of land) that connects Central and South America.
Tierra del Fuego
The archipelago (chain of islands) located at the southern tip of South America and divided between Chile and Argentina.