Want to tour the Vatican without leaving home? Try these new virtual tours. You can see the famous sights and paintings, and even zoom in to reveal details that are not visible to real tourists.
St. Peter's: http://www.vatican.va/various/basiliche ... ex-en.html
Sistine Chapel: http://www.vatican.va/various/cappelle/ ... index.html
And here are some additional bonus tours:
St. John Lateran: http://www.vatican.va/various/basiliche ... index.html
St. Paul's Outside the Walls: http://www.vatican.va/various/basiliche ... ex-it.html

