First lady Michelle Obama, center, hugs former President George W. Bush, as President Barack Obama and former first lady Laura Bush walk on stage at the dedication ceremony of the Smithsonian Museum of African American History and Culture on the National Mall in Washington, Sept. 24, 2016.

Rep. John Lewis, right, and President Barack Obama embrace at the dedication ceremony for the Smithsonian Museum of African American History and Culture on the National Mall in Washington, Sept. 24, 2016.

(L-R) Former first lady Laura Bush, former President George W. Bush, first lady Michelle Obama, and President Barack Obama stand for the The National Anthem during the opening ceremony for the Smithsonian National Museum of African American History and Culture, Sept. 24, 2016 in Washington.

President Barack Obama, with first lady Michelle Obama and Ruth Odom Bonner, center, ring the bell opening the Smithsonian National Museum of African American History and Culture on the National Mall in Washington, Sept. 24, 2016.

President Barack Obama and first lady Michelle Obama pose with four generations of the Bonner family, who are descendants of slaves, after ringing the First Baptist Church Bell to officially open the Smithsonian's National Museum of African American History and Culture in Washington, Sept. 24, 2016.

Former President Bill Clinton attends the opening ceremony for the Smithsonian National Museum of African American History and Culture, Sept. 24, 2016 in Washington.

Giselle Shapiro of Los Angeles holds her hands in prayer on the Washington Monument grounds in Washington, Sept. 24, 2016, as she listens to President Barack Obama speak at the dedication and opening ceremony of the Smithsonian's National Museum of African American History and Culture in Washington.

President Barack Obama speaks the dedication of the National Museum of African American History and Culture, Sept. 24, 2016 in Washington, before the museum opens to the public later that day.

People sit on the Washington Monument grounds in Washington, Sept. 24, 2016, and watch a large video monitor at the dedication and opening ceremony of the Smithsonian's National Museum of African American History and Culture.

Former President George W. Bush speaks at the opening ceremony of the Smithsonian's National Museum of African American History and Culture in Washington, Sept. 24, 2016.

Oprah Winfrey and Will Smith speak at the dedication ceremony for the Smithsonian Museum of African American History and Culture on the National Mall in Washington, Sept. 24, 2016.

Singer Patti LaBelle performs at the dedication ceremony for the Smithsonian Museum of African American History and Culture on the National Mall in Washington, Sept. 24, 2016.

Singer Stevie Wonder performs at the dedication ceremony for the Smithsonian Museum of African American History and Culture on the National Mall in Washington, Sept. 24, 2016.

President Barack Obama speaks at the opening of the Smithsonian's National Museum of African American History and Culture in Washington, Sept. 24, 2016. 2016.

President Barack Obama, first lady Michelle Obama and Lonnie G. Bunch III, the director of the Smithsonian's National Museum of African American History and Culture, attend a reception for the opening of the Smithsonian's National Museum of African American History and Culture at the White House in Washington, Sept. 23, 2016.

Rep. Elijah Cummings and Jesse Jackson attend a reception honoring the opening of the Smithsonian's National Museum of African American History and Culture at the White House in Washington, Sept. 23, 2016.

The Tennessee State University Aristocrat of Bands marching band performs on the South Lawn of the White House during a reception in honor of the opening of the Smithsonian National Museum of African American History and Culture Sept. 23, 2016 in Washington.

Steel and glass create patterns and reflections inside the Smithsonian's National Museum of African American History and Culture during the press preview on the National Mall, Sept. 14, 2016, in Washington. Filled with exhibits and artifacts telling the story of the first Africans in the United States and their descendants, the 400,000-square-foot museum will open to the public on September 24.

A view of The National Museum of African American History and Culture prior to a media preview in Washington, Sept. 14, 2016.

Workers finish sweeping the entry area of the Smithsonian's National Museum of African American History and Culture during the press preview on the National Mall, Sept. 14, 2016, in Washington. Filled with exhibits and artifacts telling the story of the first Africans in the United States and their descendants, the 400,000-square-foot museum will open to the public on September 24.

Platinum records, original posters and other artifacts are on display in the Musical Crossroads section of the Culture Galleries at the Smithsonian's National Museum of African American History and Culture, Sept. 14, 2016, in Washington.

Visitors tour The National Museum of African American History and Culture during a media preview of the museum in Washington, Sept. 14, 2016.

A spiral staircase moves visitors from the main floor to the lower levels of the Smithsonian's National Museum of African American History and Culture during the press preview on the National Mall, Sept. 14, 2016, in Washington.

Rock 'n' Roll legend Chuck Berry's candy-apple red 1973 Cadillac Eldorado is on display in the Musical Crossroads section at the Smithsonian's National Museum of African American History and Culture, Sept. 14, 2016 in Washington.

Sneakers with the hand-painted images of President Barack Obama by artist Van Taylor Monroe, are on display at the Smithsonian's National Museum of African American History and Culture during the press preview on the National Mall, Sept. 14, 2016, in Washington.

Nine of the 10 Olympic medals won by American track and field athlete Carl Lewis, are on display in the Power of Place exhibit at the Smithsonian's National Museum of African American History and Culture, Sept. 14, 2016, in Washington.

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

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

Slave shackles are seen in a display case during a media preview at the National Museum of African American History and Culture on the National Mall in Washington, Sept. 14, 2016. The museum will open to the public on September 24.

A visitor walks past a display of the segregation era of the 20th century at National Museum of African American History and Culture as the new museum holds its media preview day, 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, during a press preview.

A display featuring the Hope Rosenwald School, also known as Hope School which served rural African-American children in the early 20th century, is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016.

People pose in front of the P-Funk Mothership during a media preview at the National Museum of African American History and Culture on the National Mall in Washington, Sept. 14, 2016.

An exhibit on music is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016, during a press preview.

An exhibit of the Civil War is on display at the National Museum of African American History and Culture in Washington, Sept. 14, 2016, during a press preview.

An exhibit on the inauguration of President Barack Obama, shown on display at The National Museum of African American History and Culture during a media preview of the museum in Washington, Sept. 14, 2016.

The Washington Monument is seen in the background as construction continues on the Smithsonian's National Museum of African American History and Culture, Aug. 30, 2016, in Washington.