As photography developed during the Civil War period, photographers captured the conflict, confusion, and harsh realities of war - and offered a glimpse into the intangible damage it did to the American psyche.
Some of the most haunting Civil War photographs capture the human responses to war and its aftermath. Other photos reveal the devastation on the battlefield itself. And then there are the images that depict the unmerciful new reality for soldiers and non-combatants alike. Put yourself in these photos, and it's genuinely unsettling. Which ones haunt you the most?