Tivoli (Villa d'Este + Hadrian's Villa)
Two UNESCO sites in one easy day — Renaissance gardens and Roman emperor's pleasure villa
Rome's central location and excellent rail network put dozens of UNESCO sites within day-trip range. The high-speed Frecciarossa makes Florence a quick hop.
Two UNESCO sites in one easy day — Renaissance gardens and Roman emperor's pleasure villa
Better-preserved than Pompeii in many ways and 1/10th the crowds
Hilltop Umbrian town with one of Italy's most beautiful cathedrals and underground caves
Two iconic stops in one day — eat real pizza in Naples for lunch, walk Pompeii after
Doable as a day trip if you focus on one museum (Uffizi or Accademia) and the Duomo
Papal summer residence + wine villages with sweeping Alban Hills views