The Waterfall of Velino Near Terni, Rome by Friedrich-Wilhelm Gmelin https://www.rawpixel.com/image/8995735/the-waterfall-velino-near-terni-rome-friedrich-wilhelm-gmelinFree Image from public domain licenseGeography: Genesee River Falls, Rochester, seen from a distance. Coloured engraving, 1837, by J. Cousen after W. H. Bartlett. https://www.rawpixel.com/image/13963032/image-plant-person-artFree Image from public domain licenseThe Montmorency Falls, Quebec, Canada. Photograph, ca. 1880. https://www.rawpixel.com/image/14017523/the-montmorency-falls-quebec-canada-photograph-ca-1880Free Image from public domain license