2

Country Flags - North & Central America

4

Early North American Settlers

4

Maddy's North Dakota Diary

4

Maddy's North Carolina Diary

2

Frozen Ground! Tundra

3

Drainage Basins of the World

4

Maddy's Montana Diary

2

Snow and Ice! Polar

4

Maddy's New York Diary

4

Maddy's Maryland Diary

3

Harbors of the World

3

Thanksgiving Day

4

Grand Canyon

4

An Introduction to the History of the United States of America

4

Maddy's Nebraska Diary

4

Maddy's Virginia Diary

4

Chip's Tips on United States

4

Maddy's Alaska Diary

3

David Livingstone

4

Maddy's New Hampshire Diary

3

Juan Ponce de León

4

Maddy's Indiana Diary

4

Polar

4

Maddy's Hawai'i Diary

3

Edmund Hillary

4

Maddy's Maine Diary

4

Maddy's West Virginia Diary

4

Things to Do in Central Park

3

Bays of the World

4

Maddy's Tennessee Diary