From his loves and losses to the possibility his ghost still resides in the White House, Abraham Lincoln's complexity, his experiences, and his life in politics

One hundred fifty years after his death, Abraham Lincoln remains one of America's most fascinating, brilliant, and visionary leaders. He's idolized as a hero, a

Get the lowdown on America’s Bloodiest War—the Civil War—with this essential guide to 101 interesting and unexpected facts about this defining event in US

Learn everything you need to know about Albert Einstein, the genius who created the Theory of Relativity and calculated mass-energy equivalence. 101 Things You

Born to a family of farmers, Lincoln stood out from an early age—literally! (He was six feet four inches tall.) As sixteenth President of the United States, h