Fodor's Expert Review St. Andrew's Cathedral

This is one of the largest churches in Greece, and dates from the early 20th century. It is built next to a spring that's been used for thousands of years, and during antiquity its waters were thought to have prophetic powers. St. Andrews is an important pilgrimage sight—the cavernous interior houses the head of the namesake saint, who spread Christianity throughout Greece and was crucified in Patras in AD 60.