4

Eire of the Desert

2

Hot and Dry! Desert

4

Desert

4

Eire of the Desert

3

Coastal Plains of the World

4

Chip's Tips on Yemen

4

Chip's Tips on India

4

Maddy's Washington Diary

4

Maddy's Oregon Diary

4

Sphinx, Egypt

4

Chip's Tips on South Africa

4

Burj Al Arab, United Arab Emirates

4

Chip's Tips on Ghana

4

Maddy's New Mexico Diary

4

Timbuktu, Mali

4

Maddy's California Diary

4

Patsy and Paul at Uluru in Australia

3

The Mystery of the Fairy Circles

3

Continents of the World

4

Polar

4

Chip's Tips on Nigeria

3

David Livingstone

3

The Winklers' Holiday on Zoo Lovers Day

3

Marco Polo

3

Valleys of the World

4

Okavango Delta, Botswana

4

Maddy's Utah Diary

4

Ecosystems Level 4

4

Chip's Tips on Mexico

4

Sossusvlei Dunes, Namibia