A stone at the base of Slemish identifies the mountain as the place where a young, enslaved Patrick worked as a shepherd for six years. (Jay Jones / Chicago Tribune)
Stone carvings — some of them more than 2,000 years old — attest to the pagan worship that took place in what is now the city of Armagh. They are displayed in the crypt beneath St. Patrick’s Church of Ireland Cathedral. (Jay Jones / For the Chicago Tribune)