Desert Sight is a term that can refer to a variety of sights one might see in a desert. OASIS (5 letters) is a lush area in the desert, often with a source of water, such as a spring or stream. Mesa (4 letters) is a flat-topped hill or mountain with steep sides. CACTUS (6 letters) is a type of succulent plant that is adapted to survive in arid climates. MIRAGE (6 letters) is an optical illusion caused by atmospheric conditions, which makes distant objects appear to shimmer or hover above the horizon. DUNE (4 letters) is a mound or ridge of sand formed by wind action. CACTI (5 letters) is the plural form of CACTUS. CAMEL (5 letters) is a large mammal that is well adapted to living in the desert. Sanddune (8 letters) is another term for DUNE.