Large portions of Los Angeles and San Diego would also vanish, while the Gulf of California would approach the Joshua Tree National Park.

As in any large U.S. city, violent crime is an issue in Atlanta. Recent years have seen sharp increases in homicides and shootings. The Downtown and Midtown areas have been most affected.

Finding your way to and around these central neighborhoods won't be too difficult thanks to multiple forms of transportation, though you'll probably want to keep a street map on hand. Denver's ...