Compare what kind of house you can get for $700,000 in six markets across the country. The first stop is in Norman, Okla., at a stunning contemporary with a pool and two waterfalls. Next, it's on to Las Vegas, where a two-story Mediterranean graces a desert oasis, and then to Clinton, Miss., to see an old fishing cabin that's been turned into a luxury lakehouse. Last up is a quick look at homes in Santa Fe, N.M., Palm Springs, Calif., and Knoxville, Tenn.