The Civil War began right as practical photography was coming into its own. For the first time in American history, camera operators could go out and capture the devestation of war.
Now, photographer David Levene has gone back to the battlefields with the 150-year-old pictures and taken photos in the same spot.
The interactive archive lets you see the exact same scenes, 150 years apart.
The result is a stark juxtaposition between the horrors of the Civil War and the world modern America became because of those soldiers' sacrifices.
Rounding out the archive are audio clips from historians who have studied the battlefields.
Se the interactive archive, complete with scenes of Fort Sumter, Antietam, and other famous battles, at The Guardian.