Union Soldiers at Bayonet Drill in a Camp During the American Civil War (1860's)

Union soldiers at bayonet drill in a camp during the American Civil War, c. 1861-1865. Attributed to Mathew Brady.

Source: National Archives and Records Administration.

A Group of What Are Believed to be French Zouaves and Chasseurs Posing for the Camera at an Unidentified Location (1860's)

A group of what are believed to be French Zouaves and chasseurs posing for the camera at an unidentified location, c. 1860's.

Source.

Thanks to Gary Dombrowski and members of Civil War Talk for pointing out that these are probably French troops.