Compare what kind of house you can get for $900,000 in six markets across the country. We start with a midcentury modern in Los Angeles, Calif., and then continue on to Atlanta to see a contemporary antebellum-style home. From there, it's on to Tucson, Ariz., to have a look at a custom contemporary built on the edge of a national park. Last up is a quick look at homes in Carbondale, Colo., Miami and Palm Springs, Calif.