2

Lake Day

4

Lake Malawi, Malawi

3

Lakes of the World

3

Sacagawea

4

Maddy's Tennessee Diary

4

Maddy's Florida Diary

3

Trenches of the World

4

Ngorongoro Crater, Tanzania

3

Harbors of the World

4

Maddy's New York Diary

4

Aquatic

3

Gulfs of the World

4

Maddy's Washington Diary

4

Maddy's Connecticut Diary

4

Maddy's Oregon Diary

3

Drainage Basins of the World

4

Maddy's Arizona Diary

4

Chip's Tips on Ghana

4

Chip's Tips on Nigeria

4

Maddy's Mississippi Diary

3

Valleys of the World

3

Amazing Earth - Part 2

4

Maddy's Iowa Diary

4

Maddy's Ohio Diary

4

Maddy's Louisiana Diary

4

Maddy's Maine Diary

4

Chip's Tips on Mexico

4

Chip's Tips on India

4

Chip's Tips on The Dominican Republic

4

Maddy's Utah Diary