The Pompeii Forum Project is an interdisciplinary collaborative research venture sponsored by the National Endowment for the Humanities, the University of Virginia, and private contributors. Project members are from the University of Virginia and elsewhere.
Samuel Ball Platner's "A Topographical Dictionary of Ancient Rome" from 1929 is still a valuable resource on the monuments of ancient Rome. LacusCurtius features major parts of the work, searchable and extensively interlinked.
Illustrated description of the arch which was erected to celebrate Constantine I's victory at the Milvian Bridge in 312 CE. Includes bibliography and over 60 photographs.
The Villa Romana del Casale is located about 5km outside the town of Piazza Armerina. It is the richest, largest and most complex collection of late Roman mosaics in the world. The Villa Romana del Casale is a UNESCO World Heritage Site.