Wow, these are awesome. Click on them for greater detail because they are pretty amazing. Sorry I just wasted at least 30 minutes of your time at work! Thank you Library of Congress.
UPDATE: If you like these, you will also be fascinated by this photo of the Ebbitt House Hotel in 1889.
UPDATE 2: GoDCer Brian over at National Journal has posted some great contemporary photos to go along with these. Check them out here.
Tom founded Ghosts of DC on January 4th, 2012 as a blog to uncover the lost and untold history of Washington, D.C. He has lived in the city for over a decade and loves exploring every corner of the District. He lives in Columbia Heights with Mrs. Ghost and Ghost Dog. On September 3rd, 2013, the second site launched as Ghosts of Baltimore.