Geography of the United States

A mountain range in the western United States and Canada, extending 3,000 miles from Alaska south to New Mexico.

• Rocky Mountains

• Appalachian Mountains

A mountain range in the eastern United States extending from Quebec to Alabama.

• Rocky Mountains

• Appalachian Mountains

The largest wetlands system in the United States.

• The Everglades

• The Great Lakes

Located in California and parts of Nevada. This desert area contains the hottest, driest and lowest point in North America at 282 feet below sea level.

• Death Valley

• The Grand Canyon

A gorge in Arizona over 200 miles long and 1 mile deep formed by the Colorado River.

• The Grand Canyon

• The Great Plains

The tallest mountain of North America, located in Alaska.

• Mt. McKinley

• Mt. Driskill

Longest river in the United States, flowing over two thousand miles from Minnesota to Louisiana and into the Gulf of Mexico.

• Mississippi River

• Rio Grande River

Large river that forms a border between the US and Mexico.

• Rio Grande River

• Colorado River

The source of a stream or river.

• Headwaters

• Tributaries

Smaller streams and rivers that flow into a main river.

• Tributaries

• Headwaters