3

Coastal Plains of the World

2

Treeless Plains! Steppe

4

The Plains Indians People

4

Maddy's Indiana Diary

4

How they work? Rockets

4

Maddy's Wyoming Diary

3

Zhen Learns About Inflation

4

Alhambra, Spain

3

Amazing Earth - Part 2

4

Chip's Tips on Venezuela

3

Puppet Power!

2

The Wonderful World of Water

4

Maddy's North Dakota Diary

4

Maddy's Oklahoma Diary

3

Lazy Jack

4

Steppe

4

Maddy's Colorado Diary

4

Chip's Tips on Yemen

4

Serengeti, Tanzania

4

Maddy's Nebraska Diary

4

Chip's Tips on Nigeria

2

Landforms

4

Maddy's South Dakota Diary

4

Chip's Tips on Kenya

4

Mount Rushmore

3

Genghis Khan

4

Maddy's Missouri Diary

4

Arc de Triomphe, France

4

Chip's Tips on Rwanda

4

Early Native Americans