This is one of the coolest sites I have ever encountered: Sistine Chapel Virtual Reality.
Be sure to experience this in full-screen mode.
Click and drag your mouse around and you can get a full view of the entire chapel, wherever you want to look. Then use your mouse scroll wheel or the + / – buttons on the page to zoom in and out.
This virtual version of the Sistine Chapel was created by students at Villanova University. The music is almost as beautiful as the paintings. It is from Palestrina: Missa Papae Marcelli by Simon Preston/Choir Of Westminster Abbey. Enjoy!