While in port in Civitavecchia, take a full-day shore excursion to Rome for a skip-the-line tour of the Vatican Museums and Sistine Chapel. Visited by more than five million people annually, these world-famous attractions are known for their long entry queues, but you'll beat the lines and enjoy fast-track entry for a 2-hour tour with a knowledgeable guide. Trace 3,000 years of history as you wander the Vatican's corridors and admire Michelangelo's famous frescoes in the Sistine Chapel. Then admire the jaw-dropping Renaissance architecture of St Peter's Basilica at your leisure.