World-class art collection including the Mona Lisa and huge historical galleries — visit early to avoid crowds; Louvre is typically open 9:00am–6:00pm (closed Tuesdays).
See the sunset and city lights and, if you book ahead, take the elevator to the summit for panoramic views; open most days until late evening (hours vary — book slots).
Stroll winding streets, artists' squares, and the basilica for sweeping views of Paris; Sacré-Cœur is typically open 6:00am–10:30pm (exterior and viewpoint always accessible).
Opulent palace of French kings with Hall of Mirrors and vast gardens; Versailles is typically open from 9:00am (garden and estate hours vary) — arrive early and book timed entry.
Quick breakfast at the station and board a high-speed Frecciarossa/Italo train to Rome (approx. 2h45–3h); aim for an early departure to arrive in Rome by late morning.
Guided or self-guided visit to Rome’s iconic amphitheater and the adjacent Forum and Palatine Hill; combined tickets typically valid across sites — Colosseum usually opens from early morning to early evening, hours vary seasonally.
Extensive museums culminating in the Sistine Chapel — entry is by timed ticket and typically 9:00am–6:00pm (closed Sundays except last Sunday of month), so pre-book a morning slot.
Visit the Basilica and, if open and you’re up for it, climb (or take elevator partway) to the dome for commanding views of the plaza and Rome — Basilica typically open 7:00am–6:30pm; dome hours are more restricted (check on-site).
Allow at least 2.5–3 hours for international departures (traffic and security vary) — arrange taxi, private transfer, or Leonardo Express train to Fiumicino.