3

John Smith

3

John Cabot

3

Famous Explorers

4

Gorillas and Other Primates

4

Charles Bridge, Czech Republic

4

Things to Do in Central Park

4

Maddy's Michigan Diary

4

Maddy's Florida Diary

1

Jan and Jim

4

Buckingham Palace, London

4

Maddy's Washington, D.C. Diary

4

Maddy's Virginia Diary

4

Maddy's Maryland Diary

4

The Space Needle

4

Maddy's Tennessee Diary

4

Maddy's Maine Diary

4

Chip's Tips on Botswana

3

Famous Explorers

3

Vasco da Gama

3

Daniel Boone

4

America in the 20th Century

4

Maddy's Colorado Diary

4

After the American Civil War

3

Space Exploration

4

Maddy's Massachusetts Diary

4

Chip's Tips on Papua New Guinea

4

Belém Tower, Portugal

4

Maddy's Texas Diary

4

The Tower Bridge, London

4

Grand Canyon