The American Journal of Archaeology has a useful collection of “Resources for Students.” Of course, many of these same resources are valuable for professors, teachers, pastors, and enthusiasts.
General Archaeological Resources: a suggested place to start with links to introductions and site-specific websites
Academic Resources: AIA Directories, Writing Papers, Databases, and Suggested Reading
Project Websites: Greece, Italy, Turkey, Egypt, and the Middle East
Archaeological Blogs: a limited selection
Multimedia and Interactive, including maps, visual reconstructions, and panoramic views