Catholic Community Forum
http://www.catholic-forum.com/
Catholic Interfaith Discussion
http://www.geocities.com/Athens/Forum/7724/religion.htm
Christian Catacombs of Rome
http://www.catacombe.roma.it/
FAQ about the Church
http://www.columbia.edu/cu/augustine/a/faq-cc.html
Free Catholic Home Study
http://www.amm.org/chss.htm
Free Catholic Websites
http://www.catholicweb.com/
Shroud of Turin
http://www.shroud.com/