The USA has invented a host of incredible sandwiches, from the crowd-pleasing club to the delightfully messy Philly cheesesteak. But dig a little deeper, and you'll find all kinds of weird and wonderful regional sandwiches that locals can’t get enough of. From Rhode Island's dynamite grinder to Kentucky’s historic hot brown, we count down to reveal the most obscure American sammies of all.

Click or scroll through our gallery to discover some of the USA's most unusual sandwiches – how many have you heard of?

We've based our ranking on how niche each sandwich is beyond its place of origin, and on the opinions of our well-travelled (and well-fed) team. The list is unavoidably subjective.

Obscure US sandwiches most people haven't heard of