6. St. Peter’s Basilica – Vatican City
St. Peter’s Basilica, located within Vatican City, is a majestic church that holds great religious and historical significance. As one of the largest churches in the world, it is the burial site of many popes and a pilgrimage destination for Catholics. The basilica’s impressive dome, designed by Michelangelo, offers breathtaking views of Rome, while its awe-inspiring interior, adorned with intricate artworks and sculptures, leaves visitors in awe of its grandeur.