2

American Football

4

Famous Americans: Thomas Jefferson

4

Early Native Americans

4

The American Civil War

4

The American Revolution

4

After the American Civil War

2

Map of the United States of America

4

Famous Americans: George Washington

2

Country Flags - North & Central America

4

Famous Americans: Benjamin Franklin

2

Country Flags of South America

4

An Introduction to the History of the United States of America

4

Early North American Settlers

4

From the American Revolution to the Civil War

4

America in the 20th Century

4

Famous Americans: Abraham Lincoln

4

Maddy's California Diary

4

The Willis Tower

4

Maddy's Colorado Diary

4

Chip's Tips on United States

4

Maddy's Louisiana Diary

4

Washington Monument

3

Isthmuses of the World

3

Easter

3

Frederick Douglass

4

Maddy's Mississippi Diary

2

Country Flags of Oceania

4

Niagara Falls

3

Juan Ponce de León

3

Space Exploration