While fast food is rarely considered healthy, a new ranking reveals which chain tops the list for excessive calories and fat content. World Atlas recently compared meals at chain restaurants across the United States for its list of top 10 unhealthiest restaurant chains.

We all know fast food isn’t always a healthy option. But where do some of America’s biggest fast food chains rank? WorldAtlas compiled a list of the 10 least-healthy fast food chains in the country. The restaurants,