Even though the continental U.S. is too far north to be classified as really tropical, there are still places in America that have the warm temperatures, sugar sand beaches, and chilly rum runners of tropical legend. The lower 48's southern regions fall into the equally delightful subtropical and Mediterranean temperature zones, and off the continent, you can visit places like Hawaii and Puerto Rico to experience the true tropics without having to get a new passport. (American Samoa and Guam, which are American possessions that are further away from the United States, are also in the tropics: https://driving-directions.co)