3

Continents of the World

2

Continents

4

The Dome of Rock, Jerusalem

3

Trenches of the World

3

Capes and Peninsulas of the World

4

Serengeti, Tanzania

4

Maddy's Vermont Diary

4

Maddy's Tennessee Diary

4

Chip's Tips on Canada

4

Kremlin, Russia

3

Coastal Plains of the World

4

Table Mountain, South Africa

4

Maddy's Oklahoma Diary

4

Petra, Jordan

4

Carthage, Tunisia

4

Maddy's Wisconsin Diary

4

Maddy's New York Diary

4

Mount Kilimanjaro, Tanzania

4

Maddy's Wyoming Diary

4

Maddy's Massachusetts Diary

4

Maddy's Nebraska Diary

3

Juan Ponce de León

4

Okavango Delta, Botswana

3

The Earth

4

Famous Americans: George Washington

4

Maddy's Michigan Diary

3

Glaciers of the World

4

Great Wall of China, China

4

Maddy's Ohio Diary

4

Lake Malawi, Malawi