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, just over the George Washington Bridge: The Cloisters

NYC: Museum of Biblical Art: Sculpture in the Age of Donatello: Feb. 20-June 14, 2015

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.