Monster Truck's In Sahara Desert The Sahara is a desert on the African continent. With an area of 9,200,000 square kilometres, it is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic. The Sahara desert has a variety of land features, but it is most famous for the sand dune fields that are often depicted in movies. The dunes can reach almost 600 feet (183 meters) high, and they cover about 25% of the entire desert, according to the Encyclopedia Britannica. The challenge ... coming soon ! Get You a Unique Monster Truck Today. A monster truck is a specialized off-road vehicle with a heavy duty suspension, four-wheel steering, large-displacement V8 - v12 engines and oversized tires constructed for competition and entertainment users.