 Exterior shots of Stark's home were digitally added to footage of Point Dume in Malibu, while the interior was built at Playa Vista, where Favreau and Riva aimed to make Stark's home look less futuristic and more "grease monkey".Filming concluded on June 25, 2007, at Caesars Palace in Las Vegas, Nevada.Favreau, a newcomer to action films, remarked, "I'm shocked that I [was] on schedule.