Islamic Arts and Architecture has pages for calligraphy, architecture, coins and oriental rugs.

Google Arts and Culture currently has a few online exhibits under an embrella heading of 1001 Inventions. A few of the exhibits include Arabic in the Sky: Astronomy a Thousand Years Ago; Masters of the Astrolabe; and European Knowledge from Arabick Roots.

From 1001Inventions.com‘s website is a page dedicated to “Extraordinary Women from the Golden Ag of Muslim Civilisation.”

Department of Islamic Art at the Metropolitan Museum of Art has great essay entitled “The Nature of Islamic Art” with links to some of their works.

National Geographic’s article “How Early Islamic Science Advanced Medicine” has lots of fascinating–and even risqué–subtopics.