Blood sausage (yeah, won't tell you what's in it. Old German tradition thing, but I love it!), grit sausage (another Old German tradition thing; I like this as well), chicken liver pate (love this, especially at Xmas time), calamari (squid, I think? Sort of rubbery tasting; didn't really care for, but deep fried and with dipping sauces, it wasn't too bad. Wouldn't have it again, though), pig's feet (my mom would make them like ribs--okay), oyster sauce (too salty for me), octopus sauce (didn't like the flavor at all), Caviar (too salty).
I had a lot of friends in college who were international students, so I tried a lot of different foods. And my father hunts, so growing up we've had a lot of different types of meat.
Love ostrich, wild boar, elk, venison/deer, caribou, moose, wild goose, rabbit, squirrel, partridge, pheasant (love!), wild duck (too greasy/rich for me). I'm usually up to trying something unusual at least once.
Had a friend who was stuck on a deserted island in the Caribbean during WWII when he served. He was forced to cook an iguana over the fire and eat it before he was rescued. Said it tasted like chicken.