H53195 U.S. Copyright Office. No. 259. Public domain photograph of monument, historic place, stereoscopic card, free to use, no copyright restrictions image - Picryl description
H62050 U.S. Copyright Office. No. 610. Public domain photograph of a landmark building, world heritage site, stereoscopic card, free to use, no copyright restrictions image - Picryl description
H62037 U.S. Copyright Office. No. 630. Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
H62035 U.S. Copyright Office. No. 628. Public domain photograph of monument, historic place, stereoscopic card, free to use, no copyright restrictions image - Picryl description
H53174 U.S. Copyright Office. No. 246. Public domain photograph of a landmark building, world heritage site, stereoscopic card, free to use, no copyright restrictions image - Picryl description