Question: What is the most famous part of the sistine chapel?
Disambiguated questions and answers: question: What are the most famous frescos of the sistine chapel?
Generally speaking, what is the most famous part of the sistine chapel?
answer: Sistine Chapel ceiling and The Last Judgment
Volta della Cappella Sistina
Sistine Chapel ceiling
The Last Judgement
frescos
the frescos that decorate the interior
Natural Questions answer: the ceiling decoration (from the Wikipedia article "Sistine Chapel ceiling")