4

Erbil Citadel, Iraq

3

Gulfs of the World

4

Chip's Tips on India

4

Chip's Tips on Qatar

4

Chip's Tips on Oman

2

Hot and Dry! Desert

3

Coastal Plains of the World

3

Capes and Peninsulas of the World

4

Petra, Jordan

3

Straits of the World

4

Chip's Tips on Yemen