Around 200 cups, in Europe alone, are said to be the Holy Grail. But what makes one cup holy - but not another?

Pope Sixtus II entrusted the Holy Grail to Lawrence to save it from the persecution of Emperor Valerian. The deacon put the chalice in a safe place—and perhaps even sent it to Spain—before ...

Valencia’s tourist board website also describes the cup as “the Holy Chalice… used by Jesus Christ at the Last Supper.” Announcing that you have the Holy Grail is, of course, a tourism draw. It has ...