Do not read this link if you are anywhere close to a meal time.
The 6 Most Terrifying Foods in the World!
I had heard of only three of these, particularly lutefisk. Being from Minnesota, this stuff has stared me in the face more than once.
Remember, an amazing percentage of ethnic foods consist of centuries of the starving downtrodden learning to eat whatever the hell is left behind after their rulers/owners/whatever have taken all the good food for themselves.
Case in point: American "soul food." You honestly think black people preferred the hog jowls, ox tails, neck bones, pig's feet, and "chitlins?"