Antietam Dunkerís Church
Bodies at the Dunker Church in Antietam, Maryland, September 1862. The battle of Antietam was the bloodiest single-day battle in US history, and Dunker Church was the focus of Union attacks against the Confederates. In 1921, a storm destroyed the church, but it was rebuilt for the 100th anniversary of the battle in 1962.
The execution of confederate Captain Henry Wirz in Washington, 10 November 1865. Wirz was in charge of Andersonville military prison where 13,000 Union soldiers died. The iron dome of the Capitol building was constructed during the civil war, and is currently being restored.
The president's box at Ford's theatre, photographed at the time of Abraham Lincoln's assassination in April 1865 by the actor John Wilkes Booth Ė five days after General Robert Lee's surrender to General Grant at Appomattox. The theatre remained closed for over 100 years until it reopened in 1968 as a national historic site and working theatre.
Slave auction house, Alexandria
The slave pen of Price, Birch & Company on Duke Street, Alexandria, Virginia, c1862. Alexandria was the second largest slave centre in the US after New Orleans. When Union soldiers entered the city in May 1861, the building was abandoned Ė though it was reported that a slave was still shackled to the basement floor. Today the building is home to the Freedom House museum.
Federal cavalry face children on the side of the Confederates at Sudley Springs Ford in Virginia, March 1862. The first major land battle of the civil war took place around these springs.
Federal encampment on the Pamunkey River, Cumberland Landing, Virginia, May 1862. The army of the Potomac, the major Union army in the Eastern theatre of the war, launched its offensive against the Confederate capital of Richmond in 1862 by moving its forces to Cumberland Landing.
Federal General Samuel P Heintzelman and staff at Arlington House, Virginia, c1862. Arlington was the home of Confederate General Robert E Lee for 30 years prior to the civil war, when he left for Richmond. Arlington House is now a permanent memorial to Robert E Lee.
The gateway to the cemetery at Gettysburg, Pennsylvania, July 1863. It was built nine years before the battle at Gettysburg, which lasted three days and resulted in 51,000 casualties.
Corpses at Devil's Den after the battle of Gettysburg in Pennsylvania, 1863. Today, it is a tourist attraction.