United States
Canada
Mexico
Central America & Caribbean
South America
100

The major mountain system in eastern North America

Appalachian Mountains

100

A river in North America that flows from the Great Lakes to the Atlantic Ocean and creates part of the U.S / Canada border

St. Lawrence River

100

The river that forms a border between Mexico and Texas

Rio Grande / Rio Bravo

100

An arm of the Atlantic Ocean between Central America and the Caribbean Islands

Caribbean Sea

100

A long mountain range along the west coast of South America

Andes Mountains

200

A group of five large freshwater lakes in North America

Great Lakes

200

A waterfall shared between Ontario and New York

Niagara Falls

200

A peninsula in western Mexico, under California

Baja California

200

An island group in the Caribbean that includes Cuba, Jamaica, Hispaniola, and Puerto Rico

Greater Antilles

200
A plains region in northern South America

Llanos

300
The most major river system in the United States

Mississippi River

300

A region of ancient rock and highlands that covers more than half of Canada

Canadian Shield

300

A large gulf off the southeast coast of North America

Gulf of Mexico

300

A group of small islands in the Caribbean that stretch from the Virgin Islands in the North to Trinidad in the South

Lesser Antilles

300

A major river in Venezuela, and the second largest in South America

Orinoco

400

The major mountain range in western North America

Rocky Mountains

400

A rich fishing ground near Newfoundland, Canada

Grand Banks

400

A large peninsula that separates the Gulf of Mexico from the Caribbean Sea

Yucatan Peninsula

400

A canal built by the United States in the early 1900s across the Isthmus of Panama

Panama Canal

400
The major river in South America

Amazon River

500

The capital city of the United States

Washington, D.C.

500

Canada's largest and most diverse city

Toronto

500

The chief mountain range in Mexico, the "Mother Range"

Sierra Madre

500

The capital of Cuba

Havana

500

A fertile plains region in southern South America located mainly in Argentina

Pampas

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