Yellowstone National Park, the U.S.’s first, is home to some of the most spectacular sights the country has to offer. It attracts four million visitors a year from all over the world to its hot springs, wildlife and scenic views. But Yellowstone isn’t Disney. And while occasionally animals can be the ones that suffer because of people’s actions – as in the case of a newborn baby bison that was euthanized earlier this month after two tourists placed it in the back of their SUV to “keep it warm” – it’s usually people who are learning hard, and occasionally fatal,…