3

Coastal Plains of the World

4

Chip's Tips on Ivory Coast

4

Dr. Why-Physics

4

Maddy's Mississippi Diary

4

Maddy's Washington Diary

4

Maddy's New Jersey Diary

4

Maddy's South Carolina Diary

4

Maddy's Virginia Diary

4

Chip's Tips on Canada

4

Chip's Tips on Yemen

4

Maddy's Texas Diary

3

Isthmuses of the World

3

Vasco da Gama

3

Archipelagos of the World

3

David Livingstone

4

History of Carnival Rides

4

Chip's Tips on United States

4

Maddy's North Carolina Diary

2

Landforms

3

Bays of the World

4

Maddy's Georgia Diary

4

Maddy's New Hampshire Diary

4

The Sites & History of Coney Island

4

Chip's Tips on New Zealand

4

Chip's Tips on Ghana

3

Amazing Earth - Part 2

4

Maddy's Oregon Diary

4

Maddy's Delaware Diary

3

Amazing Earth - Part 1

4

Maddy's Arkansas Diary