Defined as "The Gate City" of New Hampshire, Nashua is a "charming, old-fashioned community" where the "low-key downtown has classic redbrick buildings along the Nashua River," according to Fodor's. With this exclusively negotiated Travelzoo deal, guests can stay behind castle walls in a Tudor-style fortress where rates are slashed by more than 45%. Visit daily through February, including weekends, for $99 per night.