In the seventh season of the public television series The Travel Detective, CBS News Travel Editor Peter Greenberg shares cutting-edge travel news, must-have information, and insider secrets on navigating the travel process. Each episode has need-to-know tips to improve the travel experience: how — and when — to book a hotel room, avoiding nickel-and-diming fees, and how to speed through airport security.  The series also features signature “Hidden Gems” destination segments, where Greenberg highlights his personal picks and favorite experiences off the tourist map. Featured destinations in this season include Mexico, Vienna, St. Kitts, Croatia, Hawaii, Alabama and Oklahoma.