These days, pilgrimage is in renaissance, but the Camino de Santiago – which I have walked, alongside Japan’s Kumano Kodo, making me a “dual pilgrim” – is not immune to Spain’s wider ...

This story appears in the May 2015 issue of National Geographic magazine. During the summers of 2012 and 2013, I walked more than a thousand miles on the Camino de Santiago. Also called the Way of ...