Tourism can provide an incredible economic boost, sure, but it can also be harmful to the environment and put pressure on local populations. This isn’t new news: All you’ve got to do is pick up your phone and scroll through the headlines to see the ways in which overtourism, or the negative effects of too many tourists visiting somewhere at once, is playing out around the globe. Few places—whether they be cities, historical sites, national parks, or entire countries—are immune.