The Oscar-nominated film stars Ralph Fiennes, Stanley Tucci and Isabella Rossellini and offers a fictionalized, high-stakes look at what happens behind the Vatican's closed doors.

From the majestic art to the white smoke, here's what to know about the Sistine Chapel, the sacred site of the conclave.

A conclave is the centuries-old election of a pope that derives its name from the Italian “con clave” (with a key) to ...