Center for Religious Freedom

Islamic fighters from the Al-Nusra Front carry a banner of Jerusalem's Dome of the Rock mosque with the Arabic slogan: 'We fight in Syria... and our eyes are on Jerusalem' on July 28, 2014. (RAMI AL-SAYED/AFP/Getty Images)

Sister Ann-Elisabeth prays in the Grotto of the Church of the Nativity in Bethlehem, December 20, 2001. (David Silverman/Getty Images)

Graffiti with the first letter of the world 'Nasara', the word used in the Koran for Christians, and 'Real estate property of the Islamic State (IS)' in Arabic, on a church in Mosul, July 26, 2014. (AFP/Getty Images)

Iraqi Yazidi women who fled the violence in the northern Iraqi town of Sinjar sit in the Kurdish city of Dohuk on August 5, 2014. (SAFIN HAMED/AFP/Getty Images)

An Iraqi Christian fleeing the violence in the towns of Qaraqush and Bartala prays at the Saint George church on July 1, 2014 in Arbil.(KARIM SAHIB/AFP/Getty Images)

Iraqi Christians attend Sunday mass at the Virgin Mary Chaldean church in the Karrada neighborhood of the capital Baghdad on July 27, 2014. (AHMAD AL-RUBAYE/AFP/Getty Images)

Iraqi Christians leave Saint-Joseph church after a mass on July 20, 2014 in Arbil. (SAFIN HAMED/AFP/Getty Images)

Israeli residents and relatives take cover from a rocket attack from Palestinian militants from the Gaza Strip in Netivot on July 29, 2014. (GIL COHEN MAGEN/AFP/Getty Images)

A blood-stained image of Jesus Christ outside the Al-Qiddissine (The Saints) church after an overnight car bomb attack in Alexandria, January 1, 2011. (MOHAMMED ABED/AFP/Getty Images)