National Geographic Traveler just came out with an article offering 57 ways to cut vacation costs. Some of them are pretty obvious, and some seem a little obsessive–looking for public bathrooms on the street to avoid impulse buys leaving restrooms in stores, for example (if you gotta go, you gotta go).

But there are some useful links and interesting ideas for saving money while traveling. I never thought of deleting cookies in my browser before ordering hotels of airfare online. According to the authors of this article, some sites may quote a higher price than is available because of cookies that store your previous purchase history.