Maybe it's the water, reputedly from a Roman-era aqueduct, or simply the Ricci brothers' skills — one way or another the Caffè Sant'Eustachio inspires near-religious devotion among espresso lovers.
One of the city's most exquisite art collections. If you only have time to visit one museum in Rome, make sure it's this one!
You won't have time to try every gelateria in Rome; this one's open well past midnight, and features over a hundred flavors, more than an occasional traveler could need.
