The museum is a cozy two floors of exhibits, photographs organized by artist. The photos themselves are interesting, as are the stories of the artists who took them, and their motivations to be photographic artists.
I misunderstood the purpose of the museum when I went there: I thought it was going to be more generally about the African Diaspora and the relationship between being of African origin and moving elsewhere. And it is, to a point. But I was expecting history and artifacts, and this is very much about living, vibrant artists, and some of their best work. My recollection is that I saw photographs from a dozen artists from all over Africa, usually living in the US now, and the typical exhibit was a handful of photographs.
If you enjoy photography, and want to see some interesting photographic art by people of african origin or heritage, this is a good place to visit. If you're looking for older African history, less so.