I stumbled upon this fantastic environment this week while exploring in Second Life. It is a near perfect replica of the Sistine Chapel. Unfortunately I think it only exists in the adult grid but still impressive none the less. Even though a k-12 teacher couldn't take their students here "in world," they could still project this on a screen and take students on a virtual field trip this way. In some ways this is better than the real thing. At the Vatican you can't fly to the ceiling to take a closer look.