WASHINGTON, DC - SEPTEMBER 01: The soon-to-be-opened Smithsonian National Museum of African American History and Culture (L) and the Washington Monument are seen September 1, 2016 in Washingotn, DC. The museum was established by Act of Congress in 2003. It is the only national museum devoted exclusively to the documentation of African American life, history, and culture. A dedication ceremony will be held to mark the grand opening of the museum on September 24. (Photo by Alex Wong/Getty Images)