Soldier's Rest, Alexandria, Va. (1864). Original from the Library of Congress. https://www.rawpixel.com/image/7690997/image-art-public-domain-soldierFree Image from public domain license
Cascade in the Rocky Mountains, Cincinnati : Gibson & Co., 1879. https://www.rawpixel.com/image/7688239/cascade-the-rocky-mountains-cincinnati-gibson-co-1879Free Image from public domain license
The U.S. Steam Frigate Mississippi, Com..re M.C. Perry--Going out to the relief of the American steamer Hunter a French bark… https://www.rawpixel.com/image/7690890/image-art-public-domain-boatFree Image from public domain license
[Exhibit], The Corcoran Gallery of Art, March 5 to April 2, 1967 https://www.rawpixel.com/image/7686712/exhibit-the-corcoran-gallery-art-march-april-1967Free Image from public domain license
[The White House ("President's House") Washington, D.C. Site plan and principal story plan], Latrobe, Benjamin Henry, 1764… https://www.rawpixel.com/image/7688138/image-architectural-vintage-illustrations-architecture-drawingsFree Image from public domain license