Which of these is the largest desert in the world?

the Grand Canyon in the United States

the Sahara Desert in North Africa

the Great Victoria Desert in Australia

the Gobi Desert in Tibet

The sahara desert is the largest one in the worlds largest with more then 3.5 million square miles although The world's largest desert is actually the very cold continent of Antarctica. It is the world's driest place, receiving less than two inches of precipitation annually. Antarctica is 5.5 million square miles (14,245,000 square kilometers) in area.