If you'd like to see some fine artwork in an unusual place, go look at this slideshow of the murals in St. Nicholas Church in Millvale (just outside of Pittsburgh). They are stunning - even moreso in person. Here is the link (sorry - submitting this from work e-mail, and I can't figure out how to stick in a hyperlink).

http://www.pittsburghquarterly.com/images/spring2008/st_nick_slideshow/index.html