4

Petra, Jordan

3

Coastal Plains of the World

4

Chip's Tips on India

3

Straits of the World

4

Chip's Tips on Oman

4

Erbil Citadel, Iraq

4

Chip's Tips on Qatar

4

Chip's Tips on Yemen

2

Hot and Dry! Desert

3

Gulfs of the World

3

Capes and Peninsulas of the World