4

Washington Monument

3

Clayton Does The Unthinkable

4

Jewels, Gemstones, and Birthstones

4

Stonehenge, England

4

Yellowstone National Park

3

David Livingstone

4

Maddy's Washington Diary

4

Famous Americans: George Washington

4

Maddy's Washington, D.C. Diary

3

Isaac Newton

3

Clayton Does The Unthinkable

3

Christopher Columbus

4

Chip's Tips on China

3

Mountains of the World

3

Gulfs of the World

4

The White House

4

Chip's Tips on Chile

4

The Hmong People

2

Flint Goes to the Doctor's Office

4

Chip's Tips on Ghana

4

Brandenburg Gate, Germany

4

Taj Mahal, India

3

Archipelagos of the World

3

Lunar Eclipse

4

Earthquakes

4

Maddy's California Diary

2

Mr. Clip Clop

4

Aquatic

4

Maddy's Nevada Diary

4

Jordan & Justine's Weekend Adventures