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