What better way to promote peace than with a mammoth, mouth-watering burger? Burger King, Denny's, Wayback Burgers, The Krystal Co., and Giraffas have teamed up to produce a massive burger comprised of the restaurants' ingredients -- all to raise awareness of the International Day of Peace, which is observed annually on Sept. 21. An Atlanta pop-up shop handed out 1,500 of them today in the name of global peace. The tradition was established by the United Nations in 1982. Burger King first reached out to McDonald's and proposed they set aside their differences for one day in honor of the International Day of Peace and create a burger that combined both restaurants' ingredients -- a "McWhopper," if you will. But McDonald's passed. However, four restaurants -- Denny's, Wayback, Krystal, and Giraffas -- all wrote to Burger King expressing interest in collaborating on this effort. The result? A gargantuan sandwich that melds ingredients from the resta...

Who would have ever thought that McDonald's -- known throughout the world for its Happy Meals, iconic gold arches, and, of course, Ronald McDonald -- would be foundering in 2015? The fast-food giant's profit and sales have fallen off a cliff over the past year or so, prompting executives to make drastic changes in the way McDonald's does business. It's pretty easy to pin down why McDonald's finds itself in dire straits. For one, millennials are flocking to more healthful alternatives like Chipotle Mexican Grill, Chick-fil-A, and Five Guys. In light of the well-publicized obesity epidemic, concerned parents now frown upon McDonald's kid-targeted advertising. Even the company's drive-through service, which was humming along just a few years ago, is slower than ever. In an effort to break out of this sales slump, McDonald's is working on upgrading its menu and stores, improving service, and implementing modernized payment systems. They're even tes...