Picryl description: Public domain image of a coal mine, mining, free to use, no copyright restrictions.
Public domain image of personnel, army, group of people in uniform, parade, historic place, military activity, free to use, no copyright restrictions - Picryl description
California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a More
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Picryl description: Public domain view of a mountain range, mountainous landscape, free to use, no copyright restrictions.
Picryl description: Public domain image of a world heritage landmark, natural or regular park, free to use, no copyright restrictions.
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description