A Durango & Silverton Narrow Gauge Railroad (D&SNG) above the Animas River Valley in La Plata County, Colorado USA -… https://www.rawpixel.com/image/434301/free-photo-image-america-americas-public-domain-carol-highsmithFree Image from public domain licenseThe Strater Hotel, opened in 1888 during a mining boom in Durango, Colorado. https://www.rawpixel.com/image/582503/carol-highsmiths-colorado-photographFree Image from public domain license