Wherever you may plan of going, never forget to think about the food that you would be eating once that you are already in the location that you want to be in. Keeping things healthy should still be the number one option, even though you are in a vacation. Like in every kind of business where you would most certainly need to have a good business intelligence system, you must also make your own system about food when traveling to another place or even another country.
For the omnivores, it should be easy, but you still need to make a research on where you could find the best food, but also cheap or at least enough to get you well fed the whole time you were there, and also make sure that you know about the type of delicacies of that specific place that you visited. For the vegetarians and vegans, it is most probably trickier because you need to get information on the restaurants that would serve organic food. The bottom line is unless you can cook food on your own, you must make sure that besides thinking about your itinerary, you should also think about where you could get your food. Learn how to plan ahead when it comes to food as well.