3

Garbage Travels

4

Chip's Tips on Ivory Coast

4

Maddy's Wisconsin Diary

4

Maddy's Massachusetts Diary

4

Chip's Tips on Chile

3

Oceans and Seas of the World

3

Common Traffic Signs

4

Chip's Tips on Mexico

4

The Tower Bridge, London

4

Maddy's Idaho Diary

4

Pyramids of Giza, Egypt

4

Yellowstone National Park

4

Maddy's Utah Diary

4

Maddy's Washington Diary

4

Maddy's Alabama Diary

4

Canterbury Cathedral, Canterbury, England

3

Helen Keller

4

Maddy's New Jersey Diary

3

Coral Reefs of the World

4

Chip's Tips on Tanzania

1

Modes of Transport

4

Carthage, Tunisia

4

Eiffel Tower, France

4

Patsy and Paul at Machu Picchu in Peru

4

Maddy's Minnesota Diary

2

Prince Troy's Voyage

4

Belém Tower, Portugal

3

David Livingstone

3

Coastal Plains of the World

4

Chip's Tips on China