This river flows into the Gulf of Mexico and is the longest river in the United States.
Mississippi River
This river borders Texas and Mexico.
Rio Grande
This river begins in Colorado and runs along California's border.
Colorado River
This river runs along the southern border of Ohio and Illinois borders and into the Mississippi River.
Ohio River
This river is a fairly short river in New York and flows into the Atlantic Ocean.
Hudson River
These mountains run from Georgia to Maine in the eastern part of the U.S.
Appalachian Mountains
These mountains in the western U.S. are very high and rugged.
Rocky Mountains
This river borders the northern border of the U.S. and connects the Great Lakes.
St. Lawrence River