To learn more, visit the basilica's website. Vatican Museums, Sistine Chapel & St Peter’s Basilica Guided Tour (36059 reviews) ...

Since St. Peter's Basilica is one of Rome's best free activities ... however: going through the Sistine Chapel. There is a passage from the Vatican Museums into the Basilica, but it's closed ...

Attractions encompass the Sistine Chapel, St. Peter's Basilica and the Vatican Museums, making this city-state so immense (and notoriously crowded) that guided Vatican tours are highly recommended.