Compare what kind of house you can get for $300,000 in six markets across the country. We tour a three-level modern house in Louisville, Ky., and then head to Baltimore, Md., to see a row house with a rooftop deck. From there we go to Atlanta, Ga., to check out a lovely vintage home from the early 1900s, with new additions and artistic details. Last up is a quick look at homes in homes in Birmingham, Ala., Palm Springs, Calif., and Austin, Texas.