In addition to "Cimarron" scenery, RKO continued to create a vast array of diverse sets for their ever-expanding movie ranch that included a New York avenue, brownstone street, English row houses, slum district, small town square, residential neighborhood, three working train depots, mansion estate, New England farm, western ranch, a mammoth medieval City of Paris, European marketplace, Russian village, Yukon mining camp, ocean tank with sky backdrop, Moorish casbah, Mexican outpost, Sahara Desert fort, plaster mountain range diorama, and a football field sized United States map on which Fred Astaire and Ginger Rogers danced across in "The Story of Vernon and Irene Castle" (1939).