Art-Cyclopedia -- The fine arts search engine
Artsnet -- An information clearinghouse of arts management resources and a directory of arts and culture sites on the web.
AskART -- an online database containing information and works of close to 300,000 artists, with information ranging from biographies to auction records for any artist's works.
CoolText.com -- online graphics generator
Digital Archive of American Architecture -- online archive of nearly 1,500 digitized images of American architecture from the 17th century to the 20th century.
Digital Archive of Art -- online images from Boston College.
International Center of Photography -- the world’s leading institution dedicated to photography and visual culture, founded in 1974 to preserve the legacy of “concerned photography”—the creation of socially and politically minded images that have the potential to educate and change the world.