Archaeology, which you can also
spell archeology, is the science of finding stuff other
people left behind, as long as they've been gone a long long while.
Otherwise it's just your typical day after a party.
The word archaeology has its
roots in the Greek words archaeo for ancient and
logia, meaning discourse.
How can you tell whether the skeleton you dug up in your backyard is
male or female? This and many more fine things you will learn at
your local archaeology introduction class.
And if you are slightly enthused but not
yet a pro, archaeology introduction classes
are the way to go. Check for example the ones provided
by
Archaeology Scotland.
Learn why archaeology is so important in the case of the
Etruscans.
And here is a map of the archaeological
sites in Mexico: