Museums
NORTH AMERICA
Cleveland Museum of Art
Detroit Institute of Arts: Islamic Art
Freer and Sackler Galleries: Islamic Art
Los Angeles County Museum of Art: Islamic Art
Metropolitan Museum of Art: Islamic Art
Met Timeline Special Topics: Islamic Art
Saint Louis Art Museum: Ancient & Islamic Art
Sackler Museum, Harvard University
Worcester Art Museum: Islamic Art
Shangri-La (Doris Duke Foundation), Honolulu
EUROPE
The British Museum
Victoria & Albert Museum
Ashmolean Museum (Oxford): Department of Eastern Art
Benaki Museum, Athens: Islamic Collection
Chester Beatty Library, Dublin: Islamic Collection
David Collection, Copenhagen
Louvre Museum, Paris: Islamic Art
Museum für Islamische Kunst, Berlin
State Hermitage Museum, St. Petersburg: Islamic highlights
Calouste Gulbenkian Museum, Lisbon: Eastern Islamic Art
MIDDLE EAST AND ASIA
Golestan Palace, Tehran
Museum of Islamic Art, Cairo
Islamic Ceramics Museum, Cairo
L.A. Mayer Museum for Islamic Art, Jerusalem
Topkapi Palace Museum, Istanbul (via Bilkent University)
Islamic Arts Museum Malaysia
Sarawak Museum, Malaysia: Islamic Arts
Sharjah Islamic Museum, U.A.E.
Tareq Rajab Museum, Kuwait
Museums of Morocco
Other Resources on Islamic Art
Arabic, Persian and Ottoman Calligraphy at the Library of Congress
Discover Islamic Art, a virtual museum presented by Museum With No Frontiers
Islamic Art Network (Thesaurus Islamicus Foundation, Cairo)
Art and Architecture (searchable database based at the Courtauld Institute of Art; contains many exceptionally important photographic negatives)
Afghanistan Cultural Heritage (UNC)
A Brief History of Islamic Glassmaking
ArchNet Digital Library
World Art Kiosk: Islamic Art and Architecture
Islamic Ceramics Online: A Web-Based Teaching Course
Middle East Medievalists Resources page
The Seljuk Han of Anatolia
Beattie Carpet Archive at the Ashmolean Museum
The Creswell Archive at the Ashmolean Museum
Egyptian Mirage (19th century photographs of Egypt at the Griffith Institute, Oxford)
Levantine Mirage (19th century photographs of the Levant at the Griffith Institute, Oxford)
Mideast Image (historical images and photographs of the Levant, Iraq and Egypt from a private collection)
Shahnama Projects: Cambridge Princeton
Bam: The Citadel and Its Destruction
View of Bam from space the day after
BBC "Bam: Before and After"
"Digital Silk Roads project" page on Bam citadel (more images under "Data Collection" at the bottom of the page)
Ricordi dell'Iran: Bam
Enthusiastic reportage on a visit to the citadel
More pictures
Excellent pictures on an environmental consultancy site (1), (2), 3)