Abraham Lincoln asks himself if slavery and democracy can co-exist.
The president and the explorer: Abraham Lincoln appoints Isaac Israel Hayes to medical post.
Lincoln descendant 'Peggy' Beckwith lived life on her own terms
A bloodstained piece of fabric highlights the true cost of freedom.
One of Lincoln's careers was surveying, and he made many maps, including of some places that never existed.
When Abraham Lincoln served in Congress, he encountered bills with titles both long and short.
One of America's most iconic dogs was owned by one of America's most famous presidents.
A young Abraham Lincoln, still new to town, decides to run for office on a platform of investing in infrastructure.
A look back at the many identities Lincoln was given by the political cartoonists of his day.
Sometimes small bills can lead to big debates.