Pope Francis in Washington, D.C. (107 images)

Pope Francis receives a standing ovation as he addresses a joint meeting of Congress at the U.S. Capitol in Washington, DC on September 24, 2015. Francis is the first Pope to address Congress. The Pope is on his first trip to the United States, and also visits New York and Philadelphia. Photo by Pat Benic/UPI

Pope Francis address a Joint Meeting of Congress at the U.S. Capitol Building in Washington, D.C. on September 24, 2015. Seated behind the Pope were Vice President Joe Biden and Speaker of the House John Boehner (R-OH). Photo by Kevin Dietsch/UPI

Pope Francis address a Joint Meeting of Congress at the U.S. Capitol Building in Washington, D.C. on September 24, 2015. Photo by Kevin Dietsch/UPI

Pope Francis gets a standing ovation at the end of his address to a joint meeting of Congress at the U.S. Capitol in Washington, DC on September 24, 2015. Francis is the first Pope to address Congress. In the background are Vice President and Senate President Joe Biden and Speaker of the House John Boehner (R). The Pope is on his first trip to the United States, and also visits New York and Philadelphia. Photo by Pat Benic/UPI