You don't need a passport to go on a memorable vacation this year. Travel experts have ranked the top U.S. vacation spots for 2013, and the list includes a dizzying array of options, from spectacular northern lights in Alaska to the gorgeous beaches of tropical islands. Jump ahead to see the vacation spots > No matter which destination you choose, you can make it easier on the wallet with tried-and-true travel tricks such as "flying on a Tuesday or Wednesday. Those are slow days," says Clem Bason, president of the travel site Hotwire.com. And reserve hotels and cars early, then rebook if ... Read More