General
The Berger Foundation
Contains information on art from Egypt, China, Japan, India, Europe with image examples but it does not provide much written information.

NM's Creative Impulse
The Artist's view of World History and Western Civilization
Explores the art of many cultures and civilizations with many links to websites about the history, culture and art of the places.

Detroit Institute of Arts
African, Oceanic, and New World

Detroit Institute of Arts
Arts of the ancient Mediterranean world of Egypt, Greece, and Rome

Exploring Ancient World Cultures, an Introduction to Ancient World Cultures on the World Wide Web
Includes essays about world cultures and pages on China, Egypt, Greece, and Rome.

Americas
Mesoamerica
The cultures of mesoamerica including Maya and Aztec.

Mayan Art
Contains images of paintings and vases from the classic period.

Asia
Tokyo National Museum Collection
Art, decorative art, archaeology from the Tokyo National Museum collection. Includes Japan, China and Egypt.

Ancient Japan
Essay on early japanese visual art with some images.

Egypt
The Detroit Institute of Arts
This site gives a brief introduction to the history and culture of ancient Egypt. It is illustrated by objects in the museum's collection. Click on each object for further description and discussion.
 

Greece
Greek Art and Architecture
Many images of Greek art.