3
Continents of the World
2
Continents
4
Maddy's Pennsylvania Diary
4
The American Revolution
4
The Australian Aboriginal People
4
Maddy's Ohio Diary
3
The Earth
3
Drainage Basins of the World
4
Burj Khalifa, United Arab Emirates
4
Great Wall of China, China
4
Maddy's Tennessee Diary
3
Kwanzaa
4
Bazaruto Archipelago, Mozambique
4
Sossusvlei Dunes, Namibia
4
Maddy's Wisconsin Diary
4
The Statue of Liberty
3
Amazing Earth - Part 2
4
Maddy's Massachusetts Diary
4
Maddy's Illinois Diary
4
Victoria Falls, Zimbabwe/Zambia
3
Coastal Plains of the World
4
Ngorongoro Crater, Tanzania
4
Maddy's Nebraska Diary
4
After the American Civil War
4
Maddy's New Mexico Diary
4
Mount Fuji, Japan
3
Bays of the World
4
Maddy's Wyoming Diary
4
Table Mountain, South Africa
4
Maddy's New York Diary