Illustration of the Dutch landmarks https://www.rawpixel.com/image/393659/houses-amsterdamView licenseWashington state capital background, vintage architecture illustration. Remixed by rawpixel. https://www.rawpixel.com/image/8836893/image-background-sky-vintage-illustrationView licenseVintage European style Eiffel Tower engraving https://www.rawpixel.com/image/586593/premium-illustration-vector-paris-cityView licenseSt. Petersburgh: a journal of travels to and from that capital. Through Flanders, the Rhenich provinces, Prussia, Russia… https://www.rawpixel.com/image/13994048/image-paper-horse-personFree Image from public domain license