Rome has no shortage of excellent gelaterias, and many Romans are steadfastly loyal to their favorite. Giolitti, a few blocks from the Pantheon, is the city’s best old-school gelateria. It’s been around since 1900 and serves dozens of flavors in a rainbow of hues. If you’re getting yours to go—and it’s less expensive if you do—line up at the cashier and pay before ordering. A small cone gets you two flavors plus whipped cream.