Major General Ulysses S. Grant led the Union Army to victory.

Major General Ambrose Burnside, with sideburns.

USS Monitor, first Union ironclad warship, in James River, 1862.

President Abraham Lincoln and General George McClellan in McClellan's tent at Antietam, Maryland after battle, September 1862.

Ruins of Harper's Ferry, Virginia after battle in 1862.

Confederate dead at Antietam, Maryland, September 17th, 1862.

Confederate dead in "Devil's Den," Gettysburg, Pennsylvania, July 3rd, 1863.

Union reconnaissance balloon, 1862.

Atlanta in ruins after an attack by Union General Sherman's Army, November 1864.