4

History of the United States

4

Burj Khalifa, United Arab Emirates

4

Landmarks of the United States

4

An Introduction to the History of the United States of America

4

Chip's Tips on United States

4

Burj Al Arab, United Arab Emirates

2

Map of the United States of America

4

The American Civil War

4

Chip's Tips on Ghana

4

Maddy's Washington, D.C. Diary

4

Maddy's Vermont Diary

4

Maddy's Iowa Diary

4

Maddy's Wisconsin Diary

4

Money

4

The American Revolution

4

Maddy's Pennsylvania Diary

4

The Tower Bridge, London

4

Maddy's Wyoming Diary

2

Country Flags - North & Central America

4

Things to Do in Central Park

4

Chip's Tips on Canada

4

Maddy's Ohio Diary

4

Maddy's Virginia Diary

4

Maddy's Delaware Diary

4

Chip's Tips on Switzerland

3

Glaciers of the World

4

Maddy's California Diary

4

Maddy's Oregon Diary

4

Maddy's Maryland Diary

3

Cinco de Mayo