Luckily there is a great choice of
things to do in
Gettysburg. If it is historical attractions you are looking for you should check out the
Gettysburg National Military Park where the Battle of Gettysburg took place. Also worth a visit is the Lincoln Train Museum, The Battle Theatre, and the National Cemetary.
Since your friend has moved here and you might be visiting often you should check out the
Flight Comparison Tool which will compare flights from several airlines and give you the cheapest fare available.