3

Coastal Plains of the World

4

Chip's Tips on Ivory Coast

4

Chip's Tips on Canada

4

Maddy's South Carolina Diary

3

Wetlands of the World

4

Maddy's Texas Diary

3

David Livingstone

4

Maddy's Montana Diary

3

Bays of the World

4

Chip's Tips on Ghana

4

Maddy's Delaware Diary

4

Chip's Tips on Nigeria

4

Maddy's New Jersey Diary

4

Timbuktu, Mali

4

Chip's Tips on Honduras

4

Maddy's New Hampshire Diary

4

Yellowstone National Park

2

Landforms

4

Maddy's Washington Diary

4

Sossusvlei Dunes, Namibia

4

Maddy's Oregon Diary

3

Gulfs of the World

4

Maddy's North Carolina Diary

4

Chip's Tips on Chile

3

Capes and Peninsulas of the World

4

Chip's Tips on United States

3

Isthmuses of the World

3

Archipelagos of the World

3

Amazing Earth - Part 2

3

Edmund Hillary