2

Map of the United States of America

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

History of the United States

4

An Introduction to the History of the United States of America

4

Chip's Tips on Russia

3

Passover

4

Maddy's Massachusetts Diary

3

Valleys of the World

4

Maddy's Mississippi Diary

4

Money

3

St. Patrick's Day

3

Do Your Part

4

Things to Do in Central Park

4

Maddy's Illinois Diary

3

Rivers of the World

4

Maddy's Pennsylvania Diary

3

Sacagawea

4

Maddy's Oregon Diary

4

Maddy's Colorado Diary

4

The Giant's Causeway, Ireland

4

Maddy's Michigan Diary

4

Maddy's Iowa Diary

4

Hoover Dam

4

Mount Rushmore

4

Maddy's Kansas Diary

3

Straits of the World

3

Purim