A mausoleum located just outside Rome, three miles from the Via Appian, it was built during the first century BC to honor Caecilia, the daughter of the Roman consul. This marble-adorned mausoleum is one of Rome's most famous landmarks, and one of the historical attractions that attracts thousands of tourists every year. This mausoleum has a cylindrical shape, and is really big. If you are interested in archaeological sites, you should definitely visit it than coming to Rome.