Even on a tight schedule, Vatican Museums & Sistine Chapel earns the hours.
Allow 3–4 hrs.
One of the greatest art hoards on earth and genuinely overwhelming — Raphael rooms, map galleries, then the hushed (and not so hushed) Sistine ceiling. The catch is the human conveyor belt: in peak season it can feel like being herded for two hours to glimpse a crowded ceiling for ten minutes.