Articles and Essays

  • Mystery Stereographs Please Help Us Solve a Mystery! Some stereographs have either no associated caption information or very little information. Please help us identify the images displayed below. These selections will change every few months.
  • Viewing Stereographs in 3D The start of the American Civil War in 1861 coincided with a surge in stereo photography--a technique that renders photos in three-dimensional depth. A pair of similar images combines into a single 3-D scene using a special viewer. (Or, you can "freeview" by crossing your eyes!)