Michael C. Carlos Museum, Emory University
The web site displays a small selection of the museum's collection of works from West Africa and the Equatorial Central region of Africa.
Fine Arts Museum of San Francisco -- de Young Museum
The de Young's African art collection features work from many areas of sub-Saharan Africa. As of this writing it has 1,400 works, of which 100 are digitized. You can also search through it's image database of 82,000 works.
National Museum of African Art, Smithsonian
Explore the museum's collections as well as its past exhibitions of "tradition-based" as well as contemporary arts. The site produces special web presentations for most of its exhibitions, and an archive of these is available online. In the collection area of the site you are able to search over 1400 works in its database.
UCLA Fowler Museum of Cultural History
The Fowler Museum web site has a listing of all their past exhibits. An online archive allows for the searching of 765 items from around the world (as of this writing).
Hampton University Museum
"The Art of Africa: Power, Beauty, Community" is one of the museum's permanent exhibitions, with over 200 artifacts from across sub-Saharan Africa -- you can find a sampling on their web site.
University of Pennsylvania Museum of Archaeology and Anthropology
The museum has a permanent African art exhibit (see "in the galleries"). An online exhibit "Daily Life in Sierra Leone: The Sherbro in 1936-37" draws on the museum's archival photographs.
Museum for African Art
The Museum for African Art in New York City has both permanent and changing exhibitions of historical as well as contemporary African art. The website offers a special masks exhibit with activities for kids and curricula lessons for teachers.
Royal Museum for Central Africa in Tervuren, Belgium
The Museum' permanent exhibits include its remarkable collection of ethnographic objects from Central Africa. The temporary exhibitions aim to be a podium for contemporary African art and science.
The Sukuma Museum
"The Sukuma Museum is a community based organization that promotes and celebrates the traditional and contemporary arts of the Sukuma culture." The museum is in Kisesa, Tanzania. The web site richly describes the Sukuma history, culture, royal traditions and traditional arts with beautiful high-resolution photos.