Here are some related links to the Sahara that you may be interested in visiting. Some of the information, images, etc. from here might have originally come from those sites.

Sahara (Wikipedia)
An in-depth article about the Sahara, including information such as overview, geography, climate, and history.

Sahara (Looklex Encyclopedia)
An overview of the geography, climate, and history of the Sahara desert as well as several supplemental photographs.

Sahara (InfoPlease)
Introduction to the Sahara's climate, water and other resources, people, and history.

The Sahara
Information about the climate, landscape, geography, plant/animal life, as well as interesting facts.

The Sahara Desert
A brief introduction to the Sahara desert with more than thirty photographs.