Sidney Plains with the Union of the Susquehanna and Unadilla Rivers by Jasper Francis Cropsey https://www.rawpixel.com/image/11932585/image-cows-plant-artFree Image from public domain licenseBig River, from the Rancherie, Mendocino, California by Carleton Watkins https://www.rawpixel.com/image/8963854/big-river-from-the-rancherie-mendocino-california-carleton-watkinsFree Image from public domain licenseCalf roping at Cheyenne, Wyoming's, annual Frontier Days rodeo. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582726/carol-highsmiths-wyoming-photographFree Image from public domain licenseClipper Ship "Red Jacket" – In the Ice off Cape Horn, on Her Passage from Australia, to Liverpool, August 1854 by… https://www.rawpixel.com/image/9183764/image-currier-ives-public-domain-new-york-timesFree Image from public domain license A Native American scout-like figure outside the Furnburg Store, a frontier general store built near… https://www.rawpixel.com/image/8042358/photo-image-person-art-public-domainFree Image from public domain licenseA stoic cowboy painting art photography. https://www.rawpixel.com/image/14634650/stoic-cowboy-painting-art-photographyView licenseThat distinct American frontier type known as the Abe Lincoln variety. Tennessee. Sourced from the Library of Congress. https://www.rawpixel.com/image/12240543/photo-image-face-plant-personFree Image from public domain licenseA stoic cowboy painting art hat. https://www.rawpixel.com/image/14634670/stoic-cowboy-painting-art-hatView licenseScene from authentic Native American dances at the Indian Village on the rodeo grounds of the Cheyenne Frontier Days… https://www.rawpixel.com/image/582746/carol-highsmiths-wyoming-photographFree Image from public domain licenseSam Iron Cloud (left) and Ian Wolf Arrow, two of the participants from the Wind River (Wyoming) Reservation in dancing… https://www.rawpixel.com/image/582738/carol-highsmiths-wyoming-photographFree Image from public domain licenseRodeo action at the Cheyenne Frontier Days celebration in Wyoming's capital city. https://www.rawpixel.com/image/582744/carol-highsmiths-wyoming-photographFree Image from public domain licenseScene from one of the almost-daily parades through downtown Cheyenne during the annual Cheyenne Frontier Days celebration in… https://www.rawpixel.com/image/582735/carol-highsmiths-wyoming-photographFree Image from public domain licenseThe incomplete frontier mission in the tiny settlement of Tumacacori, south of Tucson, Arizona, where native Indian and… https://www.rawpixel.com/image/582242/carol-highsmiths-arizona-photographFree Image from public domain licenseThe Bullion Mine, Virginia City, Nevada by Carleton Watkins https://www.rawpixel.com/image/14312810/the-bullion-mine-virginia-city-nevada-carleton-watkinsFree Image from public domain license