Rome in 3 Days Save this Guide! Rome in 3 Days what to see. Rome in 3 Days what to do. Day 1 Campo di Fiori Day 1 Campo Piazza Navona Day 1 Pantheon Day1 Spanish Steps Day 1 Piazza Del Popolo Day 2 Collosseum Day 2 Palantine Hill Day 2 Roman Forums Day 3 Vatican City Day 3 St Peter's Basilica Day 3 Vatican Museum Day 3 Sistine Chapel That is Rome in 3 Days. Save this Guide