St. Rita of Cascia is the patron saint of impossible causes, abuse victims, loneliness, marriage difficulties, parenthood, widows, and the sick. Read about her life of suffering, disappointment, and ultimate glory at the link.
Turin Cathedral in Italy. Home of the Chapel of the Holy Shroud of Turin. Which has been revered as a holy object for centuries in Roman Catholic Church. https://www.pilgrim-info.com/turin-cathedral-holy-shroud/