Cross of Kells, County Meath, Ireland; Ardboe Auld Cross, Ardboe, County Tyrone, Northern Ireland; the crosses at Monasterboice, County Louth, Ireland; and the Cross of the Scriptures, Clonmacnoise, Ireland.
Rob Mabry is a former military journalist living in San Antonio. He writes about travel, technology, film and the video game industry. Go here to see a great selection of Celtic Crosses.