The best part of any day is finding a nice, savory piece of meat that makes your mouth water with anticipation and hope. For any burger lover living in the confines of New York City, there are a few places on the island that are only for the most daring when it comes to conquering these beefy masterpieces. Boasting bold flavors and condiments that would give any willing burgermeister a run for his or her money, these seven spots are the perfect place for someone looking to challenge their limits...and waistline. Vegans, now's the time to look away.