The Great Depression hit few cities harder than New York — but the city's darkest hour was also the crucible in which today's New York was forged.

These stark, heart-wrenching Dust Bowl pictures reveal both the vast scope and intimate despair of this tragic time.

From the assassinations of MLK and RFK to antiwar and civil rights protests nationwide, these 1968 photos reveal a nation at war with itself.

Over the course of 500 bloody years, the Native American genocide carried out by both European settlers and the U.S. government left millions dead.

From Operation Teardrop to the Biscari massacre, these are the atrocities that the U.S. would rather forget.

These pictures of the Armenian Genocide will make you wonder how -- and why -- most of the world's countries don't even recognize this tragic event.

From John Lennon to Ben Franklin to Mahatma Gandhi, these appallingly controversial quotes will leave you utterly speechless.

See the real factory women who powered America's industry during World War II.

These stark, vibrant photos take you inside the impoverished, culturally rich, crime-ridden immigrant slums of turn-of-the-century New York.

The AuthaGraph map is the most accurate map you'll ever see. You probably won't like it.

These historical photographs finally provide a look at landmark events you didn't know were even photographed like this in the first place.