Close to Calama is the worlds largest copper mine as well as some interesting archeological sites.
It is located in the middle of the Atacama desert, the driest of the world.
Near Calama Chile you can find: Pink flamincos, geyser, Moon valley, geological findings and much more. Check the Travel Agencies/Outdoors link to find out more.
Take a guided tour or rent a car and get out on your own.
You'll be amazed at what you can find in the driest desert in the world.