Whether you like to chow your cheeseburgers in a fancy restaurant or a no-fuss regional chain, there are countless variations available in every corner of the US, from In-N-Out’s simple but iconic cheeseburger to the famed gourmet version at Chicago bistro Au Cheval that has diners lining out the door. For fast food pilgrims in search of history, 80/20 at Kaelin's opened in 2018 on the site of the original Kaelin's Restaurant in Louisville, Kentucky, and has gained a following for its perfectly made cheeseburgers.

Now discover America’s most historic fast food restaurants

Last updated by Lottie Woodrow.

Liked this? Click the Like button above. And click the Follow button above for more great stories from loveFOOD

America's most iconic burgers, where to try them