The Ancient World Web
The Ancient World Web, created by Julia Hayden, is a master index to Internet sites "discussing, spotlighting, or otherwise considering the Ancient World." Each link is organized by both subject and geographic area and is accompanied by a short description. This excellent resource is updated weekly and includes breaking news items of historical interest.
http://www.julen.net/ancient/

The Christian Catacombs of Rome
Check out this extensive resource on the catacombs. You can learn about the history of the catacombs and the spirituality of the cemeteries. Beautiful illustrations, detailed maps, descriptions, and primary source letters and speeches help you understand the importance of the catacombs to early Christians.
http://www.catacombe.roma.it/index.html