When it comes to Guinness World Records, not all are created equal. Sometimes they’re handed out to people who are really large or dogs that are really small. Other times, recipients need to venture to outer space to qualify. But some Guinness World Records just require a lot of cheese, a lot of butter and a little bit of gold. Since 2014, New York City’s Serendipity3 has laid claim to the Guinness World Record for the world’s most expensive sandwich: […]