3

John Smith

3

John Cabot

4

Maddy's North Carolina Diary

4

Belém Tower, Portugal

4

Early North American Settlers

4

Maddy's Michigan Diary

4

Maddy's Maine Diary

4

Maddy's Virginia Diary

4

America in the 20th Century

4

Maddy's Washington, D.C. Diary

3

Astronauts

4

Chip's Tips on Papua New Guinea

4

Gorillas and Other Primates

3

Edmund Hillary

4

Maddy's Massachusetts Diary

4

Things to Do in Central Park

4

Chip's Tips on Canada

4

Maddy's Florida Diary

4

Maddy's Texas Diary

4

After the American Civil War

4

The American Revolution

4

Yellowstone National Park

4

Grand Canyon

3

Famous Explorers

4

The Space Needle

4

Maddy's Tennessee Diary

4

Chip's Tips on Botswana

4

Maddy's Maryland Diary

1

Jan and Jim

3

Daniel Boone