Horace Bénédict de Saussure and others ascending Mont Blanc. Coloured aquatint.
https://www.rawpixel.com/image/13963917/horace-benedict-saussure-and-others-ascending-mont-blanc-coloured-aquatintFree Image from public domain license
Skiers watch bison from the road, Lower Geyser Basin. Original public domain image from Flickr