Smithsonian African American Museum Opens

A slave cabin from the Point of Pines Plantation is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016.

Smithsonian African American Museum: In this photo taken July 18, 2016, a slave cabin from Poolesville, Md., is on display in the Smithsonian National Museum of African American History and Culture in Washington, as seen during a media preview tour.

A statue of pioneer Clara Brown, who was born a slave in Virginia around 1800, is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016.

Civil Rights pioneer Rosa Parks' dress is on display in the concourse galleries at the Smithsonian's National Museum of African American History and Culture on the National Mall Sept. 14, 2016 in Washington.

A Lowcountry drum from about 1900 is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016.

A whip or lash used to punish slaves is on display in the Slavery and Freedom Gallery in the Smithsonian's National Museum of African American History and Culture during the press preview on the National Mall on Sept. 14, 2016 in Washington.

A pair of slave shackles are on display in the Slavery and Freedom Gallery in the Smithsonian's National Museum of African American History and Culture during the press preview on the National Mall on Sept. 14, 2016 in Washington.

A helmet from the World War I Harlem Hellfighters is on display during a press preview at the Smithsonian's National Museum of African American History and Culture in Washington on Sept. 14, 2016.

A statue of the 1968 Olympics Black Power salute is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016.

Chuck Berry's 1973 Cadillac Eldorado is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016.

A statue is viewed during a press preview at the Smithsonian's National Museum of African American History and Culture in Washington on Sept. 14, 2016.