Related Clues:

• Painted, for one
• Topographical adjective
• Much of Mauritania
• It's larger than Australia
• Place for mirages
• Arizona, mostly
• "The English Patient" setting
• Joshua tree habitat
• Much of Egypt
• 3,300,000 square-mile desert
• Shirk one's duty, in a big way
• Tucson's environs
• Large hot spot
• Egypt's desert
• The world's biggest desert