4

The Plains Indians People

2

Treeless Plains! Steppe

3

Coastal Plains of the World

4

Maddy's Wyoming Diary

4

Chip's Tips on Venezuela

4

Maddy's Indiana Diary

4

Colosseum, Italy

4

Maddy's South Dakota Diary

4

Brandenburg Gate, Germany

4

Chip's Tips on Rwanda

3

Lazy Jack

4

Maddy's Nebraska Diary

4

Maddy's Kansas Diary

4

Maddy's North Dakota Diary

4

Chip's Tips on Russia

3

Genghis Khan

4

Maddy's Oklahoma Diary

4

Alhambra, Spain

4

Arc de Triomphe, France

3

Puppet Power!

4

Charles Bridge, Czech Republic

2

Landforms

4

Chip's Tips on Canada

4

Indigenous People

4

Chip's Tips on Yemen

4

Maddy's Colorado Diary

4

Early Native Americans

4

Geometric Shapes

4

Ngorongoro Crater, Tanzania

4

Acropolis, Greece