 Six vacant lots were filled with façades, in which production designer Franco-Giacomo Carbone tried to put a mixture of styles to heighten the appearance of a frontier city with much history.While the producers originally wanted to actually film in Downtown Las Vegas, they eventually found that downtown Albuquerque was visually similar and opted to film there instead, adding the Las Vegas Strip in the background during post-production.The town allowed filming from 6 p.m. to 6 a.m., which did not interrupt local businesses.