4

Eire of the Desert

2

Hot and Dry! Desert

4

Desert

4

Eire of the Desert

4

Chip's Tips on South Africa

4

Chip's Tips on Chile

4

Maddy's Nevada Diary

4

Chip's Tips on Egypt

4

Maddy's Arizona Diary

4

Burj Al Arab, United Arab Emirates

4

Chip's Tips on Qatar

4

Chip's Tips on Yemen

4

Sphinx, Egypt

3

Marco Polo

3

The Winklers' Holiday on Zoo Lovers Day

4

Chip's Tips on Mexico

4

Maddy's Oregon Diary

4

Maddy's Utah Diary

4

Chip's Tips on India

4

Maddy's New Mexico Diary

4

Maddy's Washington Diary

3

Valleys of the World

3

Mars

3

The Mystery of the Fairy Circles

3

The Winklers' Holiday on Zoo Lovers Day

4

Patsy and Paul at Uluru in Australia

4

Hoover Dam

3

Coastal Plains of the World

4

Petra, Jordan

3

David Livingstone