History

http://darkwing.uoregon.edu/~felsing/cstuff/history.html
An extensive reference to Chinese history in general.
http://www.pbs.org/wgbh/amex/china
Public Broadcasting Service's story on Nixon's trip to China.

Government/Trade & Policy

http://www.kantei.go.jp/foreign/index-e.html
The Official website of the Prime Minister of Japan. All you need to know about the Japanese government and current policies.
http://search.asiaco.com/China/Government
A portal to many government websites such as ministries, programs, statistics, military, etc. in China.
www.asean.or.id
Association of Southeas Asian Nations. The site provides information on political, economic and social cooperations among these nations. There are also links to the member countries.
http://www.foreignpolicy-infocus.org/topics/ifap.html
A joint effort of the Institute of Policy Studies and the Interhemispheric Resource Center focused on global affairs and policies.

Religion

http://www.buddhanet.net
An extensive buddhist information network ranging from history to meditation.
http://www.iijnet.or.jp/iriz
Hanazono University International Research Institute for Zen Buddhism. It has a collection of publications under it's "Data and Tools" section, also has links to Zen centers.
http://www.al-islam.org/
If you have a question about Islam, most likely you can find your answers here.

Art

http://www.chinese-art.com/index_nonflash.htm
A portal to Chinese traditional and contemporary art.
http://www.artasiapacific.com/
Although this is a commercial web site for an art magazine, it publishes sample articles and back issues online. It also has good links and an art directory.
http://jin.jcic.or.jp/museum/
The Virtual Museum of Traditional Japanese Arts is produced for the Ministry of Foreign Affairs by Kodansha International Ltd. It has beautiful images but it does take time to load, however, the wait is well worth it. A definite visit for Japanese art lovers.