Analysis of information sources in references of the Wikipedia article "Turismo religioso" in Portuguese language version.
In the early fourth century A.D., Queen Helena, the mother of the Emperor Constantine, took a pilgrimage to Jerusalem and discovered the site of the crucifixion and the remains of the true cross (and maybe the tomb of Adam, too). [...] What were the Crusades if not a very long Christian tour of the Holy Land, complete with bad food and hostile innkeepers?
