The entire interior of St. Peter's is lavishly decorated with marble, reliefs, architectural sculpture and gilding. The Basilica contains a large number of tombs of Popes and other notable people, many of which are considered outstanding artworks. There are also a number of sculptures in niches of the chapel including Michelangelo’s Pieta. The dome is the most outstanding feature of the Basilica.
Not only is the art inside the Basilica overwhelming, but also the pure size and grandeur is tremendous. The beauty is indescribable. No photograph can ever capture it; you have to be there to experience it and believe it. It is the perfect blend of art and religion. Even though I am a staunch atheist, I felt a certain spirituality in the air. There was reverence in the eyes of the believers. There was devotion for Christ and there was admiration for the art and architecture. It was like two worlds were coalescing.