Greece

Amphoras Project
A searchable database of descriptions and stamp readings of published Greek (and some Roman) amphoras, including some illustrations. Also a bibliography of scholarly work on finding, identifying, and studying Greek and Roman amphoras and the trade they carried.
http://www.chass.utoronto.ca/amphoras/project.html

Ancient Greek Music on Papyrus
Two annonated ancient Greek music papyrii.
http://classics.uc.edu/music/

Antikythera Mechanism
Paper on the 1st century BCE astronomical device found off the southern coast of Greece, presented by Rob S. Rice at the USNA Eleventh Naval History Symposium.
http://ccat.sas.upenn.edu/rrice/usna_pap.html

Greek Mosaics of the Classical and Hellenistic Periods
Abstracts of articles by Ruth Westgate based on a complete corpus of Classical and Hellenistic mosaics (c.400 BCE - 69 CE.)
http://www.cf.ac.uk/hisar/people/rw/mosaics.html