A love for picking up old things is not by itself a good reason to go into archaeology: the bigger part of the work isn't digging up stuff but classifying, categorizing, and trying to draw conclusions about what you may find.
Ancient deserts are not the only places they excavate, either. Second-world war battlefields, prohibition tunnels, and usual settlements from all over the world are found and preserved for future generations. In fact, our history as a species would not be nearly as rich or honest if archaeologists did not ply their trade.
If you wish to do your part for a more accurate history, you will need to have immense reserves of patience for conducting interminable research through obscure sources. Adopting a multidisciplinary approach is almost mandatory, as archaeologists make use of both the latest technological tools and slow-and-steady digging techniques. Finally, you'll need to develop the ability to construct hypotheses based on the few clues you may find at a dig or in a museum and try to reconcile them with existing bodies of theory.