This retro Wednesday we go back, so back it's classified as vintage.
Curious to know where you can add to your collection of Stereoscopic images? Try Stereoviews.com
They have tons to look at and order. Thankfully there are so many categories that you can find exactly what you are looking for. Of course I am partial to the Pacific Northwest! (above photo: PAC8- Keystone View Co.)
Stereoviews.com even has vintage stereoscopes (viewers) to buy!