Yikes. But, sometimes it's worth it!
According to the "Wall Street Journal", here are the menu items with the most calories at 10 of the biggest fast-food chains:
First featured in a joke ad in 'Sports Illustrated,' Wendy's nine-patty "T-Rex" burger is now a real thing. We can feel our arteries hardening already. Seriously, even a real T-Rex would have trouble choking this thing down.