2

Map of the United States of America

4

An Introduction to the History of the United States of America

4

History of the United States

4

Chip's Tips on United States

4

Burj Khalifa, United Arab Emirates

4

Landmarks of the United States

4

Burj Al Arab, United Arab Emirates

4

Early Native Americans

3

Wetlands of the World

4

After the American Civil War

4

Windsor Castle, England

3

St. Patrick's Day

3

Rabindranath Tagore

4

Big Ben, London

4

From the American Revolution to the Civil War

4

Maddy's Pennsylvania Diary

4

Early North American Settlers

4

Maddy's Kentucky Diary

4

U.S.S. Arizona Memorial at Pearl Harbor

4

Maddy's Georgia Diary

4

Maddy's Maine Diary

4

History of Carnival Rides

3

Astronauts

4

Maddy's Ohio Diary

4

Chip's Tips on Mexico

4

Maddy's Arizona Diary

4

Chip's Tips on Papua New Guinea

3

Diwali

4

Maddy's Maryland Diary

4

America in the 20th Century