Pilgrimages are a universal phenomenon, from China’s bustling Tai Shan to the ancient Jewish treks to Jerusalem. But why? What is it about a grueling penitent march to an isolated temple that has become a prerequisite for a civilization of any size, whether Chicen Itza in the Mayan Empire or the holy sites of Mecca?

To explore this is today’s guest, Kathryn Hurlock, author of “Holy Places: How Pilgrimages Changed the World.” We also look at whether pilgrimages have become too easy in the 21st century. Has jetting off to Mecca or Rome for a quick indulgence turned them into spiritual tourism, a la Disneyland?

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