Dave Seminara | The New York Times

NYT Travel: Why did Key West, a city of 25,000 at the marshy tip of Florida, attract 4.6 million visitors last year? There are no theme parks, no golf courses, no casinos, and there are better beaches in far more obscure Florida cities. It’s probably the most charming, but unquestionably the least air-conditioned, city in a state where frosty AC is a sacrament.