RESOURCES for ANCIENT and MEDIEVAL HISTORY
Museums
Newark Museum: Classical art exhibits
Medieval New York: a guide to many things medieval (museums, architecture, music, etc.) in New York City
NYC: Metropolitan Museum of Art Greco-Roman galleries
NYC: Metropolitan Museum of Art Medieval galleries
NYC: Morgan Library
NYC, just over the George Washington Bridge: The Cloisters
Princeton University Art Museum Ancient, Byzantine, and Islamic Art (free)
Princeton University Art Museum European Art (free)
Websites
There are, of course, thousands of websites of widely-varying quality. I include just a few gateway sites here to get you started.
 Avalon Project: Documents in Law, History, and Diplomacy (Yale Law School)
Ancient History Sourcebook (Fordham)
American Philological Association
Livius: Articles on Ancient History
A Greco-Roman Clearinghouse at the University of Chicago
Romarch: Roman Art and Architecture
Medieval Digital Resources: Medieval Academy of America: A Curated Guide and Database