PBS
Frontline: From Jesus to Christ: Religion in the Roman World
Article examines the various religious options that were available to Roman and non-Romans living in the empire.
Other
Roman Religion and Burial Practices
Details from the Sussex Archaeological Society about Roman religious practices: Roman gods, what Romans were like, and how the Romans buried their dead.
Other
Nova Roma: Gods and Goddesses of Rome
This site discusses the religious beliefs and practices of ancient Rome. Includes descriptions of Rome's principal gods and goddesses and a discussion of the importance of guardian spirits to Roman families and households.