YMCA volunteers helping out the men in uniform in encampments before they were sent to the front, 1861

The winter quarters of Union troops. Surrounded by Confederate forces, the Union soldiers tore down houses and other buildings for lumber for firewood and fortifications.

A volunteer nurse tending to two injured Civil War soldiers

Union officers playing cards during downtime during the lengthy Siege of Petersburg, 1964/65

Abraham Lincoln’s funeral procession in New York City, 1965

A Civil War hospital

A federal mortar used during the American Civil War. These machines of destruction made the War the first mechanized one of its kind.

In this 1862 photo, General George Custer (right) is seen with prisoner of war Lt. Washington. The two had been classmates and good friends at West Point, and Custer made sure that Washington was treated well.

Sherman’s troops burning Atlanta, 1864

Union soldiers guarding the Potomac River opposite Georgetown University, 1861