Islami City
Islami City: Understanding Islam and the Muslims
This resource provides a wealth of information regarding Islam. Content answers questions such as "What is Islam?," "Who are the Muslims?," "What is the Qur'an?," and much more.
Other
Looklex: Mecca
Encyclopedia entry that details the important points and history about the holy city of Mecca and briefly refers to the mosque and the Ka'ba.