4

Chip's Tips on United States

4

An Introduction to the History of the United States of America

4

Burj Khalifa, United Arab Emirates

4

History of the United States

4

Burj Al Arab, United Arab Emirates

2

Map of the United States of America

4

Landmarks of the United States

4

Maddy's Missouri Diary

4

Maddy's Hawai'i Diary

4

Felix's Independence Day

4

Chip's Tips on Oman

4

The Statue of Liberty

4

Maddy's Washington Diary

4

Chip's Tips on Papua New Guinea

3

Rabindranath Tagore

3

Cinco de Mayo

4

Maddy's New Mexico Diary

4

Edinburgh Castle, Edinburgh, Scotland

4

Money

4

Maddy's Nebraska Diary

4

Maddy's Tennessee Diary

4

Maddy's Vermont Diary

4

Windsor Castle, England

4

Maddy's Maine Diary

4

Grand Canyon

3

Valleys of the World

4

Maddy's Oklahoma Diary

4

Washington Monument

3

Sinkholes of the World

4

Maddy's New Hampshire Diary