Irbid
Details:
You may as well head north to Irbid, and visit the archaeological site of Um Qais which is the ancient ruins of Gadara city. For more ancient ruins you might as well find Beit Ras, and Pella located in Irbid.
Tip: If your visit to Irbid happens to take place during the olive harvest, you can join people or watch this beautiful activity that almost every person in town participates in.