For almost two millennia, the Pope has been a figure of supreme spiritual authority for Catholics around the world. But in the late 14th century, Catholics found themselves with not one, not two, but three popes. Where did this plethora...

THE PASSETTO ROMANS LOVINGLY CALL THE ANCIENT PASSAGEWAY THAT LINKS THE VATICAN TO THE MEDIEVAL FORTRESS OF CASTEL SANT ANGELO, THE PASSETTO, OR, THE SMALL CORRIDOR. IF THE PASSETTO COULD SPEAK, IT WOULD TELL TALES OF MYSTERY AND...