ibiblio
Ibiblio: Web Museum: Japanese Art and Architecture
This Ibiblio.org site is a thorough description of Japanese art and architecture. There are no pictures, but the writing makes up for this in its extensive history and descriptions.
ArtLex
Art Lex: History of Japanese Art
A very general survey of the history of Japanese art. Click on any of the time periods to learn more specific information about each one. Includes several examples; click on the title of each work to enlarge the image and to learn more.
Other
Euronet: Japanese Art and Western Influence
This Euronet offers general information about Japanese art and accompanying photos can be found here. Maneuvering around this site is an easy task.