Centro Storico sights sit close together, but cobblestones and crowds slow movement. Comfortable shoes beat fashion; water fountains (nasoni) offer free refills—carry a bottle.
Dinner often starts after 8 p.m.; aperitivo hours bridge the gap. Major basilicas and the Vatican have dress codes—shoulders and knees covered where asked.
Layer ancient sites with neighborhood trattorias and one slower day in Trastevere or a less central quarter. TopTenAtlas is built to help you choose quality over sheer quantity in a city that never runs out of monuments.