4

Early North American Settlers

3

Coral Reefs of the World

4

Maddy's Vermont Diary

3

Valleys of the World

4

Chip's Tips on Canada

3

Isthmuses of the World

4

Chip's Tips on United States

4

Maddy's South Dakota Diary

4

Maddy's Michigan Diary

4

Maddy's North Dakota Diary

4

The Plains Indians People

4

Maddy's Nevada Diary

4

Maddy's Idaho Diary

4

Maddy's New Mexico Diary

4

Maddy's Maine Diary

4

Chip's Tips on Mexico

3

Thanksgiving Day

4

Maddy's Missouri Diary

4

Maddy's Iowa Diary

4

Maddy's Alaska Diary

4

Maddy's Arkansas Diary

4

Maddy's Wyoming Diary

3

Juan Ponce de León

4

Maddy's Arizona Diary

4

Maddy's North Carolina Diary

3

Continents of the World

4

Niagara Falls

4

Things to Do in Central Park

4

Maddy's Maryland Diary

3

Canyons of the World