3

John Smith

3

John Cabot

3

Vasco da Gama

4

Maddy's Michigan Diary

4

America in the 20th Century

4

Chip's Tips on Botswana

3

Edmund Hillary

4

Maddy's Massachusetts Diary

4

Things to Do in Central Park

4

Maddy's Florida Diary

4

Early North American Settlers

4

Yellowstone National Park

4

Buckingham Palace, London

4

Grand Canyon

4

The Tower Bridge, London

4

Maddy's Maine Diary

4

Maddy's Maryland Diary

4

Gorillas and Other Primates

4

Maddy's Oregon Diary

4

The Space Needle

3

Famous Explorers

3

Astronauts

1

Jan and Jim

3

Daniel Boone

4

Maddy's Washington, D.C. Diary

4

After the American Civil War

4

Chip's Tips on Papua New Guinea

4

The American Revolution

3

Space Exploration

4

Chip's Tips on Canada