4
Hoover Dam
2
US Landmarks
3
Bays of the World
4
Chip's Tips on Nigeria
4
Maddy's Nevada Diary
2
Baa Baa Black Sheep
3
Construction Worker
4
Chip's Tips on Venezuela
4
Chip's Tips on Brazil
3
Rivers of the World
3
Isthmuses of the World
4
Maddy's Massachusetts Diary
4
Early North American Settlers
4
Chip's Tips on Botswana
3
Edmund Hillary
3
Nyaminyami The Spirit of the River God
4
Chip's Tips on Oman
4
Maddy's Washington, D.C. Diary
3
Anne Frank
4
Chip's Tips on Ghana
4
The Australian Aboriginal People
3
Houses from around the World
4
Sources of Energy
4
Landmarks of the United States
4
The American Revolution
4
Hurricanes
3
Harbors of the World
4
Chip's Tips on Thailand
3
Energy