The Perseus Project
Comprehensive database of Greek and Latin literature and art.
The Latin Library
Comprehensive collection of Latin texts, including most ancient authors, the major Medieval authors, and some modern.
Maecenas: Images of Greece and Rome
A fairly comprehensive collection of images posted by Leo Curran. A very useful resource (searchable too).
A good searchable database of images, with images ranging from architecture to daily life to art.
Web Resources for Latin and Classics
Latin 3, 4, & 5 - Combination class
Latin 2 Honors
Latin 2 College
Latin 3 Honors
Latin 4 Honors
AP Latin 5
Not offered every year