stpeters Vatican City basilica Where cardinals gather Vatican neighbor Stop on a Vatican City tour Site of Michelangelo's Pietà Jewel of Renaissance architecture Home of the Pietà Cardinals may flock here Bernini designed its piazza Tourist site in Rome Cardinals' gathering place Workplace for Michelangelo Its dome was designed by Michelangelo Roman square Site of a Bernini baldacchino Where Charlemagne was crowned Fisherman's shrine Pilgrim's destination