Sacred Destinations Destinations St. Peter's Basilica St. Peter's Basilica Photos 25732 × share full URL share short URL embed link code photo 23 of 126 Previous | Next North Colonnade North colonnade of St. Peter's Square (Piazza San Pietro) and the Papal Apartments. This huge elliptical plaza was designed by Bernini and built between 1656 and 1667. Credit: Holly Hayes