Sister Teresa Forcades prays over the graves of fellow nuns in a cemetery at her Sant Benet Monastery in Montserrat, Spain. Lauren Frayer for NPR hide caption

itoggle caption Lauren Frayer for NPR

Tourists walk past a poster of Pope Francis hanging on the Church of the Nativity in the West Bank town of Bethlehem on Monday. Pope Francis' trip to the Mideast later this week will commemorate the 50th anniversary of a historic rapprochement between Catholics and Orthodox, who split nearly 1,000 years ago. Mussa Qawasma/Reuters/Landov hide caption

itoggle caption Mussa Qawasma/Reuters/Landov

St. Peter's Square in Vatican City. Ciro Fusco /EPA/Landov hide caption

itoggle caption Ciro Fusco /EPA/Landov

Pope Benedict XVI, seen here in London in 2010, defrocked nearly 400 priests from 2011-2012 for abusing children, according to a document from the Holy See that was obtained by the AP. Peter Nicholls/AFP/Getty Images hide caption

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A light fog engulfs St. Peter's Basilica's dome at the Vatican on Saturday. The Vatican came in for tough public scrutiny over its handling of the clergy sex abuse scandal at a U.N. hearing in Geneva on Thursday. Gregorio Borgia/AP hide caption

itoggle caption Gregorio Borgia/AP

Archbishop Joseph William Tobin of Indianapolis prays at the United States Conference of Catholic Bishops' annual fall meeting in Baltimore on Nov. 12. Patrick Semansky/AP hide caption

itoggle caption Patrick Semansky/AP

A makeshift headstone in the mass grave outside of San Joaquin Parish in the province of Leyte, Philippines. The Catholic parish has lost almost two-thirds of its congregation after Typhoon Haiyan swept through the area. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

For the first time in nearly 2,000 years, relics of St. Peter the apostle (fragments of bone) are displayed for veneration. Franco Origlia/Getty Images hide caption

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Pope Francis celebrates Mass at the Basilica of the National Shrine of Our Lady Aparecida on Wednesday in Aparecida, Brazil. Buda Mendes/Getty Images hide caption

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Roberto Francisco Daniel, widely known as Padre Beto, was excommunicated by the Catholic Church for his views on gay marriage and other hot-button issues. The former priest says the church must adapt to a changing world. Denise Guimaraes/AFP/Getty Images hide caption

itoggle caption Denise Guimaraes/AFP/Getty Images

Evangelical Christians pray during the "March for Jesus" in Sao Paulo, Brazil, Saturday, June 29, 2013. Nelson Antoine/AP hide caption

itoggle caption Nelson Antoine/AP