Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description
Public domain image of a large historic building, city hall, urban architecture, free to use, no copyright restrictions - Picryl description
Picryl description: Public domain photo of vintage California postcard, free to use, no copyright restrictions image.
Picryl description: Public domain photo of vintage Washington DC postcard, free to use, no copyright restrictions image.