2

Treeless Plains! Steppe

4

The Plains Indians People

3

Coastal Plains of the World

3

Venus

4

Maddy's Texas Diary

4

Chip's Tips on Nigeria

4

Charles Bridge, Czech Republic

3

Puppet Power!

4

Mount Rushmore

4

Acropolis, Greece

4

Early Native Americans

2

The Wonderful World of Water

4

Ngorongoro Crater, Tanzania

3

Genghis Khan

4

Chip's Tips on Rwanda

4

Chip's Tips on Russia

3

Mercury

4

Arc de Triomphe, France

4

Maddy's North Dakota Diary

3

Amazing Earth - Part 1

4

Chip's Tips on Venezuela

4

Chip's Tips on Yemen

4

Maddy's Oklahoma Diary

4

Maddy's Nebraska Diary

4

Maddy's South Dakota Diary

4

How they work? Rockets

4

Belém Tower, Portugal

3

Zhen Learns About Inflation

4

Steppe

4

Hagia Sophia, Türkiye