St. Peter's Basilica is the most renowned work of Renaissance architecture and one of the largest churches in the world. The Basilica is regarded as one of the holiest catholic shrines. Catholic tradition holds that the Basilica is the burial site of St. Peter, one of Christ's Apostles and also the first Pope. St. Peter's tomb is directly below the high altar of the Basilica.
Pantheon is circular with a portico of large granite Corinthian columns and a concrete dome with a central opening (oculus) to the sky. It is one of the best preserved all Roman buildings in large part because it has been in continuous use throughout history. Since the 7th century, Pantheon has been used as a church dedicated to St. Mary and the Martyrs.
Pantheon is a former Roman temple, now a church in Rome. An earlier temple was commissioned by Marcus Agrippa during the reign of Augustus ( 27 BC - 14 AD ). The present building was completed by the emperor Hadrian about AD
The Trevi fountain in Rome built in 1762, is the largest Baroque fountain in the city.