- The Pantheon was the oldest standing domed structure and world's largest unreinforced concrete dome in Rome, it was built in 27 B.C. as a temple honoring all the gods of Ancient Rome, then it was converted in to a Christian church. The famous architect Brunelleschi used it as inspiration when designing the cupola for the Duomo (cathedral) in Florence. Its most striking feature is the oculus, the open-air aperture at the top of the dome that lets in natural light, it also serves as a cooling and ventilation method. It is the place of several famous artists, including Raphael. Mass is held here Saturdays at 5 p.m. and Sundays at 10:30 a.m.
- The Arco di Constantino, located near the Colosseum, is Rome's largest arch, The arch is heavily decorated with parts of older monuments, As it celebrates the victory of Constantine over Maxentius, after which he allowed the practice of Christianity in the Roman empire.
- Il Vittoriano,"wedding cake", the large white-stone monument on Piazza Venezia near the Capitoline Hill, was constructed at the turn of the 20th century to honor Victor Emmanuel II, the first king of unified Italy. The building houses the tomb of the Unknown Soldier, where an eternal flame burns. A panoramic elevator was added to the structure, allowing visitors to ride up to the roof for 360 degree views of Rome. The large white columns around the building are sometimes called the "false teeth."
- La Bocca della Verità ("The Mouth of Truth"),plays a role as a lie detector, it was believed that if one put his hand in its gaping mouth and tell a lie, it would be bitten off. This grotesque sculpture of a wild-eyed face on the portico of the church of Santa Maria in Cosmedin has a macabre reputation, made famous by Gregory Peck and Audrey Hepburn in Roman Holiday. This church is also home to the supposed relics of the saint, St Valentine.
- The Spanish Steps in Piazza di Spagna make up the longest and widest staircase in Europe. Originally proposed by the French, this grand staircase leads from the Piazza di Spagna to the church of Trinità dei Monti (they was called "Spanish" steps after the Spanish embassy moved to the square). it was once an inspiring place for artists, the steps are now filled with students, tourists, artists, and portrait sketchers.
- St. Peter's Basilica the largest Roman Catholic building in the world and the burial site of its namesake Saint Peter, is also an fantastic work of art. Saint Peter's is not a cathedral. it is regarded as the greatest building of its age, Entry to the main floor is free. Don't miss the "Pietà," one of Michelangelo's most famous statues and don't forget to rub St. Peter's well-worn foot for good luck as you pass by the bronze statue. you will be charged six-euro to climb up to the dome,which was designed by Michelangelo.
- Basilica di San Clemente, a church on Via San Giovanni, joins three churches in one. The lowermost level contains a mithraeum, an ancient worship site which is the best preserved of 12 similar sites discovered in Rome. the second level is the Christian worship site, it is one of the most richly adorned churches in Rome. The top level is home to a sanctuary built in the 12th century that contains some spectacular mosaics. Via San Giovanni in Laterano at Piazza San Clemente
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Rome: Top attractions that you can visit in Rome.