Chatel Argent and the Val d'Aosta from above Villeneuve https://www.rawpixel.com/image/9084979/chatel-argent-and-the-val-daosta-from-above-villeneuveFree Image from public domain licenseMountaineer at Glen Coe valley in the Scottish Highlands https://www.rawpixel.com/image/2097703/hiker-bridgeView licenseHikers at Glen Coe valley in the Scottish Highlands https://www.rawpixel.com/image/2097917/view-glen-coe-scotlandView licenseHikers at Glen Coe valley in the Scottish Highlands https://www.rawpixel.com/image/2097897/view-glen-coe-scotlandView licenseA Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, crosses an alpine bridge in… https://www.rawpixel.com/image/434397/free-photo-image-train-carol-highsmith-natureFree Image from public domain licenseA Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, crosses an alpine bridge in… https://www.rawpixel.com/image/434406/free-photo-image-trains-locomotive-natureFree Image from public domain licenseSouth over the Alpine Stable. [Mt. Washington, N.H.] by Clough and Kimball https://www.rawpixel.com/image/14289341/south-over-the-alpine-stable-mt-washington-nh-clough-and-kimballFree Image from public domain licenseBasaltic Formation, Alpine County, California by Carleton Watkins https://www.rawpixel.com/image/14284654/basaltic-formation-alpine-county-california-carleton-watkinsFree Image from public domain license