If you have the option, we would definitely suggest contacting Presto tours for a guided tour of the Vatican museums and St. Peter's. Their guides are very knowledgeable, and the benefits of focusing in on what you must see can not be overstated.
The Presto Reservations Teamwww.vatican-tours.comwww.colosseum-tours.com
USA Tel. (781) 583-7533 (EST)
Rome, Italy Phone: 347.101.3243
We are very appreciative to them for their wonderful service.