Public domain scan of a vintage map, city plan, atlas, cartoghraphy, free to use, no copyright restrictions - Picryl description.
Public domain scan of settlement or building architecture plan, free to use, no copyright restrictions image - Picryl description
Public domain illustrated book page scan, related to travels, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.