Called “Black Memorabilia” and “Black Americana” at times, blackface characters and apparel have had a long run in America. Now, the African American Museum is confronting their legacy head-on.

The self-taught artist Abraham Lincoln Walker worked in his basement on phantasmagorical paintings, discovered by the art world more than 30 years after his death.

Despite offering some of the best travel gear, beauty products, and fashion out there, Black-owned businesses still don't ...