3

John Cabot

3

John Smith

4

Grand Canyon

4

Early North American Settlers

4

The American Revolution

3

Space Exploration

4

Buckingham Palace, London

4

Maddy's Washington, D.C. Diary

4

Things to Do in Central Park

3

Famous Explorers

4

Chip's Tips on Botswana

4

Maddy's Florida Diary

1

Jan and Jim

4

Maddy's Tennessee Diary

3

Daniel Boone

4

The Space Needle

4

Maddy's Massachusetts Diary

4

Belém Tower, Portugal

4

Maddy's Maryland Diary

4

Gorillas and Other Primates

4

Maddy's Oregon Diary

4

Yellowstone National Park

4

Maddy's Michigan Diary

4

Chip's Tips on Papua New Guinea

4

Maddy's Colorado Diary

4

Maddy's Maine Diary

4

Maddy's Texas Diary

4

Maddy's North Carolina Diary

3

Famous Explorers

3

Astronauts