1. Stay away from the wildlife.
National parks are not petting zoos. Give the wildlife space just like they tell you to at the entrance station. Bison, elk, and bears kill people every year and, as much as evolution should have its way, we don’t want you to become a statistic. Also, please don’t feed the wildlife. If you feed them you’re slowly killing them because they get too accustomed to human food and not their normal diets.