Here are some of the web sites I usually visits:
Information & pictures about Makkah and Madinah
http://islamicards.hypermart.net/ahlan/waseem.htm
A web page about Saudi Arabia
http://www.saudinf.com/main/b46.htm
King Fahd University of Petroleum and Minerals
http://www.kfupm.edu.sa
CNN in Arabic
http://www.arabic.cnn.com
The largest web page of poetry
http//www.poetry.com
Amazon- one of the largest on-line stores on the net.
www.amazon.com