Art - CLAS 203/NEJS 118 A - Queens of the Ancient Mediterranean World

Entemena at the National Museum of Iraq

In this case, the Wikipedia images from the Museum are more comprehensive than the museum's own site.

Bible Lands Museum, Jerusalem
Including the exhibition catalog from the recent "Yemen, From Sheba to Jerusalem."
The British Museum
Israel Museum, Archaeology
Among the collections viewable online: an inlaid finger ring depicting the head of Hera
Metropolitan Museum of Art - Heilbrunn Timeline of Art History
Objects from the Met's collections are linked to chronological, geographical, and thematic timelines and essays.