The change happened overnight into Wednesday.
The Underground Railroad was a secret pathway to freedom for enslaved people escaping north, through woods, tunnels, private homes, under floorboards, inside churches and even hidden beneath wagons.
February is Black History Month, a time the country highlights and celebrates the accomplishments of Black Americans. And the fact that Black history is part of America's history is important for all Americans to know, learn about, and understand.
President Trump confirmed the White House is doing a review Smithsonian museums, where he complained "everything discussed is how horrible our Country is."
Tara Roberts - a diver, storyteller, and NatGeo Explorer - is working to bring these long-lost stories back to the surface.
They say "slaves developed skills" they could use for their "personal benefit."